10-letter words ending with L
Dive into the specific realm of 10-letter words that conclude with the letter L. This focused section reveals the fascinating ways in which words of this particular length, ending with L, contribute to the richness of the English language. Whether it's for expanding your vocabulary, solving puzzles, or simply for the love of words, discover how these terms uniquely blend length and ending sound.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| successful | 17 | having succeeded or being marked by a favorable outcome | a successful architect |
| commercial | 18 | a commercially sponsored ad on radio or television | - |
| individual | 15 | characteristic of or meant for a single person or thing | an individual serving |
| basketball | 18 | a game played on a court by two opposing teams of 5 players; points are scored by throwing the ball through an elevated horizontal hoop | - |
| electrical | 14 | using or providing or producing or transmitting or operated by electricity | electrical appliances |
| historical | 15 | belonging to the past; of what is important or famous in the past | historical (or historic) times |
| industrial | 11 | employed in industry | the industrial classes |
| biological | 15 | (of a parent or child) related by blood; genetically related | biological child |
| artificial | 15 | artificially formal | that artificial humility that her husband hated |
| homosexual | 22 | someone who is sexually attracted to persons of the same sex | - |
| hysterical | 18 | characterized by or arising from psychoneurotic hysteria | during hysterical conditions various functions of the human body are disordered |
| additional | 12 | further or added | called for additional troops |
| ungrateful | 14 | not feeling or showing gratitude | ungrateful heirs |
| mechanical | 19 | relating to or concerned with machinery or tools | mechanical arts |
| delightful | 18 | greatly pleasing or entertaining | a delightful surprise |
| thoughtful | 20 | acting with or showing thought and good sense | - |
| unfaithful | 19 | having the character of, or characteristic of, a traitor | - |
| meaningful | 16 | having a meaning or purpose | a meaningful explanation |
| collateral | 12 | occurring with or following as a consequence | collateral target damage from a bombing run |
| occasional | 14 | occurring on a temporary or irregular basis | an occasional worker |
| respectful | 17 | feeling or manifesting veneration | - |
| delusional | 11 | suffering from or characterized by delusions | - |
| accidental | 15 | happening by chance or unexpectedly or unintentionally | accidental poisoning |
| withdrawal | 20 | a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation | - |
| irrational | 10 | a real number that cannot be expressed as a rational number | - |
| volleyball | 18 | a game in which two teams hit an inflated ball over a high net using their hands | - |
| phenomenal | 17 | exceedingly or unbelievably great | phenomenal feats of memory |
| provincial | 17 | a country person | - |
| functional | 15 | fit or ready for use or service | the toaster was still functional even after being dropped |
| structural | 12 | pertaining to geological structure | structural effects of folding and faulting of the earth's surface |
| horizontal | 22 | parallel to or in the plane of the horizon or a base line | a horizontal surface |
| theatrical | 15 | a performance of a play | - |
| geological | 14 | of or relating to or based on geology | geological formations |
| paranormal | 14 | seemingly outside normal sensory channels | - |
| beneficial | 17 | promoting or enhancing well-being | an arms limitation agreement beneficial to all countries |
| behavioral | 18 | of or relating to behavior | behavioral sciences |
| schoolgirl | 16 | a girl attending school | - |
| monumental | 14 | imposing in size or bulk or solidity | a monumental scale |
| diabolical | 15 | showing the cunning or ingenuity or wickedness typical of a devil | the diabolical expression on his face |
| ceremonial | 14 | a formal event performed on a special occasion | - |
| ecological | 15 | of or relating to the science of ecology | ecological research |
| cannonball | 14 | a solid projectile that in former times was fired from a cannon | - |
| supermodel | 15 | a fashion model who has attained the status of a celebrity | - |
| rhetorical | 15 | given to rhetoric, emphasizing style at the expense of thought | mere rhetorical frippery |
| orchestral | 15 | relating to or composed for an orchestra | orchestral score |
| judgmental | 21 | depending on judgment | a judgmental error |
| unofficial | 18 | not having official authority or sanction | a sort of unofficial mayor |
| economical | 16 | using the minimum of time or resources necessary for effectiveness | a modern economical heating system |
| standstill | 11 | a situation in which no progress can be made or no advancement is possible | - |
| fingernail | 14 | the nail at the end of a finger | - |
| peripheral | 17 | electronic equipment external to the circuit board that contains the CPU of a computer | disk drives and printers are important peripherals |
| trilateral | 10 | having three sides | a trilateral figure |
| sabbatical | 16 | a leave usually taken every seventh year | - |
| consensual | 12 | existing by consent | a consensual contract |
| primordial | 15 | having existed from the beginning; in an earliest or original stage or state | primordial matter |
| proverbial | 17 | widely known and spoken of | her proverbial lateness |
| insightful | 17 | exhibiting insight or clear and deep perception | an insightful parent |
| congenital | 13 | present at birth but not necessarily hereditary; acquired during fetal development | - |
| antisocial | 12 | hostile to or disruptive of normal standards of social behavior | criminal behavior or conduct that violates the rights of other individuals is antisocial |
| anatomical | 14 | of or relating to the branch of morphology that studies the structure of organisms | anatomical research |
| aboriginal | 13 | characteristic of or relating to people inhabiting a region from the beginning | the aboriginal peoples of Australia |
| conceptual | 16 | being or characterized by concepts or their formation | conceptual discussions |
| immaterial | 14 | without material form or substance | - |
| impersonal | 14 | having no personal preference | impersonal criticism |
| intestinal | 10 | of or relating to or inside the intestines | intestinal disease |
| vocational | 15 | of or relating to a vocation or occupation; especially providing or undergoing training in special skills | vocational school |
| windowsill | 17 | the sill of a window; the horizontal member at the bottom of the window frame | - |
| fractional | 15 | constituting or comprising a part or fraction of a possible whole or entirety | a fractional share of the vote |
| uneventful | 16 | marked by no noteworthy or significant events | an uneventful life |
| premarital | 14 | relating to events before a marriage | - |
| methodical | 18 | characterized by method and orderliness | a methodical scholar |
| analytical | 15 | of a proposition that is necessarily true independent of fact or experience | - |
| incidental | 13 | not of prime or central importance | - |
| geothermal | 16 | of or relating to the heat in the interior of the earth | - |
| ornamental | 12 | serving an esthetic rather than a useful purpose | - |
| tyrannical | 15 | characteristic of an absolute ruler or absolute rule; having absolute sovereignty | a tyrannical government |
| reciprocal | 16 | hybridization involving a pair of crosses that reverse the sexes associated with each genotype | - |
| subliminal | 14 | below the threshold of conscious perception | - |
| logistical | 13 | of or relating to logistics | - |
| equatorial | 19 | a telescope whose mounting has only two axes of motion, one parallel to the Earth's axis and the other one at right angles to it | - |
| torrential | 10 | pouring in abundance | torrential rains |
| remorseful | 15 | feeling or expressing pain or sorrow for sins or offenses | - |
| butterball | 14 | small North American diving duck; males have bushy head plumage | - |
| procedural | 15 | relating to court practice and procedure as opposed to the principles of law | - |
| periodical | 15 | happening or recurring at regular intervals | - |
| regimental | 13 | belonging to or concerning a regiment | regimental units |
| apolitical | 14 | politically neutral | - |
| archetypal | 20 | representing or constituting an original type after which other similar things are patterned | archetypal patterns |
| greaseball | 13 | (ethnic slur) offensive term for a person of Italian descent | - |
| neglectful | 16 | failing in what duty requires | neglectful of his duties |
| managerial | 13 | of or relating to the function or responsibility or activity of management | - |
| elliptical | 14 | rounded like an egg | - |
| immemorial | 16 | long past; beyond the limits of memory or tradition or recorded history | time immemorial |
| janitorial | 17 | - | - |
| sequential | 19 | in regular succession without gaps | - |
| prenuptial | 14 | relating to events before a marriage | prenuptial agreement |
| devotional | 14 | a short religious service | - |
| colloquial | 21 | characteristic of informal spoken language or conversation | wrote her letters in a colloquial style |
| myocardial | 18 | of or relating to the myocardium | - |
| divisional | 14 | constituting a division or an aliquot part of the basic monetary unit | American divisional (fractional) coins include the dime and the nickel |
| purposeful | 17 | having meaning through having an aim | led a happy purposeful life |
| rabbinical | 16 | of or relating to rabbis or their teachings | rabbinical school |
| menopausal | 14 | of or relating to the menopause | - |
| centennial | 12 | of or relating to or completing a period of 100 years | centennial celebration |
| occidental | 15 | denoting or characteristic of countries of Europe and the western hemisphere | occidental civilization |
| unilateral | 10 | involving only one part or side | unilateral paralysis |
| untruthful | 16 | not expressing or given to expressing the truth | the statement given under oath was untruthful |
| ecumenical | 16 | concerned with promoting unity among churches or religions | ecumenical thinking |
| credential | 13 | a document attesting to the truth of certain stated facts | - |
| unoriginal | 11 | not original; not being or productive of something fresh and unusual | the manuscript contained unoriginal emendations |
| zoological | 22 | concerning the study of animals and their classification and properties | zoological research |
| prudential | 13 | arising from or characterized by prudence especially in business matters | he abstained partly for prudential reasons |
| scriptural | 14 | of or pertaining to or contained in or in accordance with the Bible | - |
| apocryphal | 22 | being of questionable authenticity | - |
| alchemical | 19 | related to or concerned with alchemy | - |
| unmerciful | 17 | having or showing no mercy | - |
| disembowel | 18 | remove the entrails of | - |
| biomedical | 17 | relating to the activities and applications of science to clinical medicine | biomedical research laboratory |
| liturgical | 13 | of or relating to or in accord with liturgy | - |
| phalangeal | 16 | of or relating to the bones of the fingers or toes | - |
| positional | 12 | of or relating to or determined by position | - |
| perceptual | 16 | of or relating to the act of perceiving | perceptual stimulus |
| rotational | 10 | of or pertaining to rotation | rotational inertia |
| yellowtail | 16 | superior food fish of the tropical Atlantic and Caribbean with broad yellow stripe along the sides and on the tail | - |
| senatorial | 10 | of or relating to senators | senatorial election |
| tangential | 11 | of superficial relevance if any | a tangential remark |
| millennial | 12 | relating to a millennium or span of a thousand years | - |
| esophageal | 16 | relating to the esophagus | - |
| acoustical | 14 | of or relating to the science of acoustics | - |
| transexual | 17 | a person who has undergone a sex change operation | - |
| televisual | 13 | - | - |
| thimbleful | 20 | as much as a thimble will hold | - |
| relational | 10 | having a relation or being related | - |
| peritoneal | 12 | of or relating to or affecting the peritoneum | peritoneal cancer |
| sculptural | 14 | resembling sculpture | rendered with...vivid sculptural effect |
| rhythmical | 23 | recurring with measured regularity | rhythmical prose |
| revengeful | 17 | disposed to seek revenge or intended for revenge | - |
| neoliberal | 12 | a liberal who subscribes to neoliberalism | - |
| majestical | 21 | - | - |
| epithelial | 15 | of or belonging to the epithelium | epithelial layer |
| tetherball | 15 | a game with two players who use rackets to strike a ball that is tethered to the top of a pole; the object is to wrap the string around the pole | - |
| unpunctual | 14 | not punctual; after the appointed time | - |
| unthankful | 20 | not feeling or showing gratitude | - |
| pontifical | 17 | proceeding from or ordered by or subject to a pope or the papacy regarded as the successor of the Apostles | - |
| pentagonal | 13 | of or relating to or shaped like a pentagon | - |
| sleazeball | 21 | - | - |
| metacarpal | 16 | any bone of the hand between the wrist and fingers | - |
| metatarsal | 12 | any bone of the foot between the ankle and the toes | - |
| metoprolol | 14 | beta blocker (trade name Lopressor) used in treating hypertension and angina and arrhythmia and acute myocardial infarction; has adverse side effects (depression and exacerbation of congestive heart failure etc.) | - |
| contextual | 19 | relating to or determined by or in context | contextual information |
| cottontail | 12 | common small rabbit of North America having greyish or brownish fur and a tail with a white underside; a host for Ixodes pacificus and Ixodes scapularis (Lyme disease ticks) | - |
| analogical | 13 | expressing, composed of, or based on an analogy | the analogical use of a metaphor |
| intramural | 12 | carried on within the bounds of an institution or community | most of the students participated actively in the college's intramural sports program |
| thiopental | 15 | barbiturate that is a hygroscopic powder (trade name Pentothal) that is a strong barbiturate that acts rapidly; induces a relaxed state when injected as a general anesthetic | - |
| ungraceful | 16 | lacking grace; clumsy | his stature low...his bearing ungraceful |
| unskillful | 17 | poorly done | it was an unskillful attempt |
| worshipful | 21 | showing adoration | - |
| polynomial | 17 | a mathematical function that is the sum of a number of terms | - |
| playschool | 20 | a small informal nursery group meeting for half-day sessions | - |
| prefrontal | 15 | anterior to a frontal structure | a prefrontal bone |
| sublingual | 13 | beneath the tongue | - |
| symbolical | 19 | relating to or using or proceeding by means of symbols | - |
| disdainful | 15 | having or showing arrogant superiority to and disdain of those one views as unworthy | some economists are disdainful of their colleagues in other social disciplines |
| intermural | 12 | between two or more institutions etc | an intermural track meet |
| climatical | 16 | of or relating to a climate | - |
| academical | 17 | - | - |
| multilevel | 15 | of a building having more than one level | - |
| multifocal | 17 | - | - |
| documental | 15 | relating to or consisting of or derived from documents | - |
| encyclical | 19 | a letter from the pope sent to all Roman Catholic bishops throughout the world | - |
| extralegal | 18 | not regulated or sanctioned by law | there were only extralegal recourses for their grievances |
| frictional | 15 | pertaining to or worked or produced by friction | frictional electricity |
| despiteful | 16 | showing malicious ill will and a desire to hurt; motivated by spite | a despiteful fiend |
| omnisexual | 19 | - | - |
| parimutuel | 14 | betting where winners share the total amount wagered | - |
| monocausal | 14 | - | - |
| nonaerosol | 10 | - | - |
| biomineral | 14 | - | - |
| beavertail | 15 | - | - |
| exertional | 17 | - | - |
| entorhinal | 13 | - | - |
| unseasonal | 10 | - | - |
| reapproval | 17 | - | - |
| preinstall | 12 | - | - |
| postracial | 14 | - | - |
| racketball | 18 | - | - |
| polyphonal | 20 | - | - |
| sinkerball | 16 | - | - |
| bowlingual | 16 | - | - |
| choirstall | 15 | - | - |
| bioethanol | 15 | - | - |
| bimaternal | 14 | - | - |
| geospatial | 13 | - | - |
| harbourful | 18 | - | - |
| disemvowel | 19 | - | - |
| nontextual | 17 | - | - |
| murderball | 15 | - | - |
| nonarrival | 13 | - | - |
| kettlebell | 16 | - | - |
| isopluvial | 15 | - | - |
| quiversful | 25 | - | - |
| overfulfil | 19 | - | - |
| proctodeal | 15 | - | - |
| tendencial | 13 | - | - |
| ubersexual | 19 | - | - |
| sildenafil | 14 | virility drug (trade name Viagra) used to treat erectile dysfunction in men | - |
| wikitorial | 17 | - | - |
| cannabinol | 14 | - | - |
| campestral | 16 | of fields or open country | living in campestral seclusion |
| calciferol | 17 | a fat-soluble vitamin that prevents rickets | - |
| calcifugal | 18 | - | - |
| cataclinal | 14 | of valleys and rivers; running in the direction of the dip in surrounding rock strata | - |
| catacumbal | 18 | - | - |
| caryatidal | 16 | - | - |
| categorial | 13 | of or relating to the concept of categories | - |
| cathodical | 18 | - | - |
| catamenial | 14 | of or relating to menstruation or the menses | - |
| carapacial | 16 | - | - |
| carnassial | 12 | (of a tooth) adapted for shearing flesh | the carnassial teeth of carnivores |
| chainwheel | 21 | - | - |
| centesimal | 14 | the ordinal number of one hundred in counting order | - |
| centroidal | 13 | of or relating to (especially passing through) a centroid | - |
| chlamydial | 21 | of or pertaining to the sexually transmitted infection or to the parasite | - |
| chlorophyl | 23 | any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms | - |
| chromophil | 22 | - | - |
| cherubical | 19 | - | - |
| cheliceral | 17 | of or relating to or resembling chelicerae | - |
| chimerical | 19 | being or relating to or like a chimera | - |
| closestool | 12 | - | - |
| cladophyll | 21 | a flattened stem resembling and functioning as a leaf | - |
| circensial | 14 | - | - |
| cinquefoil | 24 | any of a numerous plants grown for their five-petaled flowers; abundant in temperate regions; alleged to have medicinal properties | - |
| citational | 12 | - | - |
| cleruchial | 17 | - | - |
| colorectal | 14 | relating to or affecting the colon and the rectum | most colorectal cancers arise from adenomatous polyps |
| commonweal | 19 | the good of a community | - |
| colestipol | 14 | - | - |
| cognominal | 15 | - | - |
| confederal | 16 | - | - |
| connatural | 12 | normally existing at birth | mankind's connatural sense of the good |
| conoidical | 15 | - | - |
| confrontal | 15 | - | - |
| concordial | 15 | - | - |
| conchoidal | 18 | - | - |
| conational | 12 | - | - |
| conceitful | 17 | - | - |
| coromandel | 15 | - | - |
| contactual | 14 | - | - |
| consortial | 12 | - | - |
| conventual | 15 | of communal life sequestered from the world under religious vows | - |
| cranesbill | 14 | any of numerous geraniums of the genus Geranium | - |
| covenantal | 15 | - | - |
| coxcomical | 25 | - | - |
| creational | 12 | - | - |
| cosmetical | 16 | - | - |
| cosmogonal | 15 | - | - |
| courageful | 16 | - | - |
| cotyloidal | 16 | of the cup-shaped socket that receives the head of the thigh bone | - |
| curatorial | 12 | of or relating to a curator or the duties of a curator | curatorial duties |
| cyclonical | 19 | of or relating to or characteristic of the atmosphere around a low pressure center | - |
| crithidial | 16 | - | - |
| cucurbital | 16 | - | - |
| decemviral | 18 | - | - |
| decennoval | 16 | - | - |
| decisional | 13 | - | - |
| decinormal | 15 | - | - |
| decahedral | 17 | - | - |
| daisywheel | 20 | - | - |
| dasypaedal | 17 | - | - |
| demoniacal | 15 | of, pertaining to, or like a demon or possession by a demon | - |
| dendroidal | 13 | resembling a tree in form and branching structure | - |
| botryoidal | 16 | resembling a cluster of grapes in form | - |
| brachyural | 20 | - | - |
| brushwheel | 21 | - | - |
| bucketsful | 21 | - | - |
| buttonball | 14 | - | - |
| breastrail | 12 | - | - |
| autoptical | 14 | - | - |
| atramental | 12 | - | - |
| autarkical | 16 | of countries; not relying on imports | - |
| auditorial | 11 | - | - |
| basketsful | 19 | - | - |
| barrelsful | 15 | - | - |
| balibuntal | 14 | - | - |
| apophyseal | 20 | of or relating to an apophysis | - |
| apophysial | 20 | - | - |
| apothecial | 17 | of or relating to the apothecium of some lichens and fungi | - |
| aparthotel | 15 | - | - |
| apagogical | 16 | - | - |
| aplacental | 14 | having no placenta | monotremes and marsupials are aplacental mammals |
| apterygial | 16 | - | - |
| approximal | 23 | - | - |
| anticlinal | 12 | sloping downward away from a common crest | - |
| antechapel | 17 | - | - |
| antisexual | 17 | - | - |
| antifungal | 14 | any agent that destroys or prevents the growth of fungi | - |
| antimonial | 12 | containing antimony | antimonial lead |
| antiphonal | 15 | bound collection of antiphons | - |
| aspherical | 17 | varying slightly from a perfectly spherical shape | - |
| artistical | 12 | - | - |
| arthrodial | 14 | - | - |
| assonantal | 10 | - | - |
| asteroidal | 11 | of or relating to or resembling an asteroid | - |
| bequeathal | 24 | - | - |
| beatifical | 17 | - | - |
| biparietal | 14 | - | - |
| biparental | 14 | - | - |
| blastocoel | 14 | the fluid-filled cavity inside a blastula | - |
| bibliophil | 19 | - | - |
| bicultural | 14 | - | - |
| bicyclical | 21 | - | - |
| biocontrol | 14 | - | - |
| bioethical | 17 | - | - |
| bilharzial | 24 | - | - |
| bimestrial | 14 | occurring every two months | - |
| binational | 12 | - | - |
| alkaloidal | 15 | pertaining to or consisting of alkaloids | - |
| agronomial | 13 | - | - |
| androecial | 13 | - | - |
| aneurismal | 12 | relating to or affected by an aneurysm | - |
| aneurysmal | 15 | relating to or affected by an aneurysm | - |
| anarchical | 17 | without law or control | - |
| ammoniacal | 16 | pertaining to or containing or similar to ammonia | - |
| ambosexual | 21 | - | - |
| ambulacral | 16 | pertaining to the ambulacra of radial echinoderms | - |
| ambisexual | 21 | - | - |
| anagogical | 14 | based on or exemplifying anagoge | - |
| acaricidal | 15 | - | - |
| accultural | 14 | - | - |
| accipitral | 16 | - | - |
| abacterial | 14 | - | - |
| abortional | 12 | - | - |
| abranchial | 17 | having no gills | - |
| acroterial | 12 | - | - |
| acrostical | 14 | - | - |
| acronychal | 20 | - | - |
| adenoviral | 14 | - | - |
| adhesional | 14 | - | - |
| adjectival | 23 | of or relating to or functioning as an adjective | adjectival syntax |
| haggadical | 18 | - | - |
| groundsill | 12 | - | - |
| groundsell | 12 | - | - |
| gyrational | 14 | - | - |
| hegemonial | 16 | - | - |
| helicoidal | 16 | - | - |
| hebdomadal | 19 | of or occurring every seven days | - |
| hemitropal | 17 | - | - |
| hemipteral | 17 | - | - |
| hemiacetal | 17 | an organic compound usually formed as an intermediate product in the preparation of acetals from aldehydes or ketones | - |
| hemihedral | 19 | - | - |
| hemelytral | 18 | - | - |
| harmonical | 17 | involving or characterized by harmony | - |
| haruspical | 17 | - | - |
| haustorial | 13 | - | - |
| homaloidal | 16 | - | - |
| holophotal | 18 | - | - |
| homeschool | 20 | - | - |
| homocercal | 19 | possessing a symmetrical tail that extends beyond the end of the vertebral column (as in most bony fishes) | - |
| holohedral | 17 | - | - |
| hermetical | 17 | - | - |
| hermitical | 17 | characterized by ascetic solitude | - |
| heptarchal | 20 | - | - |
| heptagonal | 16 | - | - |
| herbicidal | 18 | - | - |
| hexametral | 22 | - | - |
| hierarchal | 18 | classified according to various criteria into successive levels or layers | - |
| hieratical | 15 | associated with the priesthood or priests | - |
| hexactinal | 22 | - | - |
| hexahedral | 24 | - | - |
| heterophil | 18 | - | - |
| hydrosomal | 19 | - | - |
| hydrocoral | 19 | - | - |
| homotaxial | 22 | - | - |
| homosocial | 17 | - | - |
| idiolectal | 13 | - | - |
| ideational | 11 | being of the nature of a notion or concept | - |
| immanental | 14 | - | - |
| illusional | 10 | marked by or producing illusion | - |
| hyperfocal | 23 | - | - |
| hypabyssal | 23 | - | - |
| hypaethral | 21 | partly or entirely open to the sky | - |
| hypanthial | 21 | - | - |
| hylozoical | 27 | - | - |
| hymnodical | 21 | - | - |
| hypsophyll | 26 | - | - |
| hypodermal | 21 | of or relating to the hypodermis | - |
| incisorial | 12 | - | - |
| incorporal | 14 | - | - |
| injudicial | 20 | - | - |
| indophenol | 16 | - | - |
| ingrateful | 14 | - | - |
| infusorial | 13 | - | - |
| influenzal | 22 | - | - |
| interzonal | 19 | - | - |
| intervital | 13 | - | - |
| interramal | 12 | - | - |
| interregal | 11 | - | - |
| interposal | 12 | - | - |
| interrenal | 10 | - | - |
| intertrial | 10 | - | - |
| intertidal | 11 | of or relating to the littoral area above the low-tide mark | - |
| intranasal | 10 | - | - |
| intravital | 13 | - | - |
| intrazonal | 19 | - | - |
| instantial | 10 | - | - |
| interlocal | 12 | - | - |
| internodal | 11 | - | - |
| intermodal | 13 | - | - |
| isothermal | 15 | of a process or change taking place at constant temperature | - |
| jesuitical | 19 | having qualities characteristic of Jesuits or Jesuitism | - |
| involucral | 15 | - | - |
| isoglossal | 11 | - | - |
| isoglottal | 11 | - | - |
| isoseismal | 12 | - | - |
| isocheimal | 17 | - | - |
| isochronal | 15 | equal in duration or interval | the oscillations were isochronal |
| kilopascal | 18 | - | - |
| kriegspiel | 17 | - | - |
| junctional | 19 | - | - |
| juristical | 19 | - | - |
| kernmantel | 16 | - | - |
| lavational | 13 | - | - |
| lavatorial | 13 | - | - |
| larvicidal | 16 | - | - |
| legatorial | 11 | - | - |
| lambdoidal | 16 | - | - |
| labionasal | 12 | - | - |
| locational | 12 | - | - |
| libational | 12 | - | - |
| ligamental | 13 | - | - |
| glucosidal | 14 | - | - |
| glossarial | 11 | - | - |
| genitalial | 11 | - | - |
| germicidal | 16 | preventing infection by inhibiting the growth or action of microorganisms | - |
| gerundival | 15 | - | - |
| geodesical | 14 | of or relating to or determined by geodesy | - |
| geodetical | 14 | - | - |
| geoponical | 15 | - | - |
| geomedical | 16 | - | - |
| gressorial | 11 | - | - |
| goldenseal | 12 | perennial herb of northeastern United States having a thick knotted yellow rootstock and large rounded leaves | - |
| gonorrheal | 14 | - | - |
| gonococcal | 17 | - | - |
| gnomonical | 15 | - | - |
| tracheidal | 16 | - | - |
| transferal | 13 | - | - |
| transeptal | 12 | - | - |
| tractional | 12 | - | - |
| tocopherol | 17 | a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body | - |
| tinctorial | 12 | - | - |
| toothshell | 16 | - | - |
| trigeminal | 13 | the main sensory nerve of the face and motor nerve for the muscles of mastication | - |
| trimestral | 12 | - | - |
| trilingual | 11 | using or knowing three languages | trilingual speakers |
| triliteral | 10 | - | - |
| trochoidal | 16 | - | - |
| triumviral | 15 | - | - |
| tripletail | 12 | large food fish of warm waters worldwide having long anal and dorsal fins that with a caudal fin suggest a three-lobed tail | - |
| triquetral | 19 | a wrist bone that articulates with the pisiform and hamate and lunate bones | - |
| transposal | 12 | - | - |
| triactinal | 12 | - | - |
| treponemal | 14 | - | - |
| tricameral | 14 | - | - |
| triapsidal | 13 | - | - |
| treadwheel | 17 | a mill that is powered by men or animals walking on a circular belt or climbing steps | - |
| tendential | 11 | - | - |
| tenemental | 12 | - | - |
| tattersall | 10 | - | - |
| tegumental | 13 | - | - |
| tectricial | 14 | - | - |
| tchoukball | 21 | - | - |
| teacupsful | 17 | - | - |
| taxational | 17 | - | - |
| taxidermal | 20 | - | - |
| threnodial | 14 | - | - |
| thiouracil | 15 | depresses the function of the thyroid gland | - |
| thumbwheel | 23 | - | - |
| thumbstall | 17 | protective covering for an injured thumb | - |
| thyrsoidal | 17 | - | - |
| theistical | 15 | of or relating to theism | - |
| testudinal | 11 | - | - |
| tetrameral | 12 | - | - |
| tetraethyl | 16 | - | - |
| tetragonal | 11 | of or relating to or shaped like a quadrilateral | - |
| thermophil | 20 | - | - |
| theurgical | 16 | - | - |
| thimerosal | 15 | a light-colored crystalline powder (trade name Merthiolate) used as a surgical antiseptic | - |
| unicentral | 12 | - | - |
| unicameral | 14 | composed of one legislative body | - |
| unilingual | 11 | - | - |
| uniliteral | 10 | - | - |
| unimmortal | 14 | - | - |
| unheroical | 15 | - | - |
| undoubtful | 16 | - | - |
| unfruitful | 16 | not fruitful; not conducive to abundant production | - |
| unrightful | 17 | - | - |
| unpeaceful | 17 | not peaceful | unpeaceful times |
| unparallel | 12 | not straight or parallel | - |
| unparental | 12 | - | - |
| unpastoral | 12 | - | - |
