10-letter words containing OP
Embark on an exploration of 10-letter words that contain the letter OP. This segment uncovers the diverse range of words that incorporate OP within this specific length, revealing the versatility and richness of language. Ideal for vocabulary enthusiasts and word-game aficionados.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| population | 14 | (statistics) the entire aggregation of items from which samples can be drawn | it is an estimate of the mean of the population |
| helicopter | 17 | an aircraft without wings that obtains its lift from the rotation of overhead blades | - |
| philosophy | 23 | a belief (or system of beliefs) accepted as authoritative by some group or school | - |
| operations | 12 | financial transactions at a brokerage; having to do with the execution of trades and keeping customer records | - |
| developing | 17 | processing a photosensitive material in order to make an image visible | - |
| microphone | 19 | device for converting sound waves into electrical energy | - |
| opposition | 14 | the act of hostile groups opposing each other | the invaders encountered stiff opposition |
| propaganda | 16 | information that is spread for the purpose of promoting some cause | - |
| psychopath | 25 | someone with a sociopathic personality; a person with an antisocial personality disorder (`psychopath' was once widely used but has now been superseded by `sociopath') | - |
| optimistic | 16 | expecting the best | - |
| oppression | 14 | a feeling of being oppressed | - |
| popularity | 17 | the quality of being widely admired or accepted or sought after | his charm soon won him affection and popularity |
| proportion | 14 | magnitude or extent | a building of vast proportions |
| microscope | 18 | magnifier of the image of small objects | the invention of the microscope led to the discovery of the cell |
| chopsticks | 23 | - | - |
| jeopardize | 29 | pose a threat to; present a danger to | - |
| metropolis | 14 | people living in a large densely populated municipality | - |
| archbishop | 22 | a bishop of highest rank | - |
| hopelessly | 18 | in a dispirited manner without hope | - |
| barbershop | 19 | a shop where men can get their hair cut | - |
| propulsion | 14 | the act of propelling | - |
| shopkeeper | 21 | a merchant who owns or manages a shop | - |
| oppressive | 17 | marked by unjust severity or arbitrary behavior | the oppressive government |
| gramophone | 18 | an antique record player; the sound of the vibrating needle is amplified acoustically | - |
| homophobic | 24 | prejudiced against homosexual people | - |
| cooperated | 15 | - | - |
| inoperable | 14 | not able to perform its normal function | - |
| proprietor | 14 | (law) someone who owns (is legal possessor of) a business | - |
| paedophile | 18 | an adult who is sexually attracted to children | - |
| cellophane | 17 | a transparent paperlike product that is impervious to moisture and used to wrap candy or cigarettes etc. | - |
| apostrophe | 17 | address to an absent or imaginary person | - |
| shopaholic | 20 | a compulsive shopper | shopaholics can never resist a bargain |
| topography | 21 | precise detailed study of the surface features of a region | - |
| copulation | 14 | sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur | - |
| orthopedic | 18 | of or relating to orthopedics | orthopedic shoes |
| improperly | 19 | in an improper way | he checked whether the wound had healed improperly |
| repopulate | 14 | - | - |
| nincompoop | 18 | a stupid foolish person | - |
| homophobia | 22 | prejudice against (fear or dislike of) homosexual people and homosexuality | - |
| homeopathy | 23 | a method of treating disease with small amounts of remedies that, in large amounts in healthy people, produce symptoms similar to those being treated | - |
| copywriter | 20 | a person employed to write advertising or publicity copy | - |
| hydroponic | 21 | of or relating to aquiculture | hydroponic lettuce |
| jeopardise | 20 | pose a threat to; present a danger to | - |
| telescopic | 16 | capable of discerning distant objects | a telescopic eye |
| xenophobia | 24 | a fear of foreigners or strangers | - |
| propelling | 15 | tending to or capable of propelling | - |
| sloppiness | 14 | a lack of order and tidiness; not cared for | - |
| propensity | 17 | a natural inclination | - |
| menopausal | 14 | of or relating to the menopause | - |
| monopolize | 23 | have and control fully and exclusively | He monopolizes the laser printer |
| enveloping | 16 | surrounding and closing in on or hemming in | the army's enveloping maneuver |
| cornucopia | 16 | a goat's horn filled with grain and flowers and fruit symbolizing prosperity | - |
| propellant | 14 | tending to or capable of propelling | propellant fuel for submarines |
| pedophilia | 18 | a sexual attraction to children | - |
| shoplifter | 18 | a thief who steals goods that are in a store | - |
| sophomoric | 19 | - | - |
| acrophobia | 19 | a morbid fear of great heights | - |
| necropolis | 14 | a tract of land used for burials | - |
| propitious | 14 | presenting favorable circumstances; likely to result in or show signs of success | propitious omens |
| drosophila | 16 | small fruit fly used by Thomas Hunt Morgan in studying basic mechanisms of inheritance | - |
| cephalopod | 20 | relating or belonging to the class Cephalopoda | - |
| codswallop | 18 | nonsensical talk or writing | - |
| copulating | 15 | - | - |
| xenophobic | 26 | suffering from xenophobia; having abnormal fear or hatred of the strange or foreign | - |
| protoplasm | 16 | the substance of a living cell (including cytoplasm and nucleus) | - |
| apoplectic | 18 | pertaining to or characteristic of apoplexy | apoplectic seizure |
| heliotrope | 15 | green chalcedony with red spots that resemble blood | - |
| hemophilia | 20 | congenital tendency to uncontrolled bleeding; usually affects males and is transmitted from mother to son | - |
| hydrophone | 22 | - | - |
| interloper | 12 | someone who intrudes on the privacy or property of another without permission | - |
| monopolise | 14 | have and control fully and exclusively | - |
| oesophagus | 16 | the passage between the pharynx and the stomach | - |
| panopticon | 16 | a circular prison with cells distributed around a central surveillance station; proposed by Jeremy Bentham in 1791 | - |
| esophageal | 16 | relating to the esophagus | - |
| copperhead | 20 | common coppery brown pit viper of upland eastern United States | - |
| copulatory | 17 | of or relating to coitus or copulation | - |
| topgallant | 13 | a sail set on a yard of a topgallant mast | - |
| microscopy | 21 | research with the use of microscopes | - |
| coprophagy | 23 | eating feces; in human a symptom of some kinds of insanity | - |
| gyroscopic | 20 | having the characteristics of a gyroscope | - |
| hydroplane | 19 | glide on the water in a hydroplane | - |
| idiopathic | 18 | (of diseases) arising from an unknown cause | idiopathic epilepsy |
| videophone | 19 | - | - |
| presbyopia | 19 | a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45 | - |
| scalloping | 15 | - | - |
| syncopated | 18 | stressing a normally weak beat | - |
| necrophile | 17 | - | - |
| endoscopic | 17 | of or relating to endoscopy | - |
| 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.) | - |
| clodhopper | 20 | a thick and heavy shoe | - |
| biophysics | 22 | physics as applied to biological problems | - |
| allopathic | 17 | of or relating to the practice of allopathy | allopathic remedies |
| anglophile | 16 | an admirer of England and things English | - |
| gobstopper | 17 | - | - |
| 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 | - |
| prophetess | 17 | a woman prophet | - |
| neuropathy | 18 | any pathology of the peripheral nerves | - |
| oppositely | 17 | in an opposite position | - |
| countertop | 14 | the top side of a counter | - |
| atrophying | 19 | - | - |
| anglophone | 16 | - | - |
| hypophysis | 26 | the master gland of the endocrine system; located at the base of the brain | - |
| geophysics | 21 | geology that uses physical principles to study properties of the earth | - |
| popularise | 14 | cater to popular taste to make popular and present to the general public; bring into general or common use | - |
| propulsive | 17 | tending to or capable of propelling | the faster a jet plane goes the greater its propulsive efficiency |
| paratroops | 14 | infantry trained and equipped to parachute | - |
| scaloppine | 16 | - | - |
| scaloppini | 16 | - | - |
| shopwindow | 22 | a window of a store facing onto the street; used to display merchandise for sale in the store | - |
| sycophancy | 25 | fawning obsequiousness | - |
| oropharynx | 25 | cavity formed by the pharynx at the back of the mouth | - |
| flophouses | 18 | - | - |
| microproof | 19 | - | - |
| germophobe | 20 | - | - |
| haemophili | 20 | - | - |
| glideslope | 14 | - | - |
| oenophilic | 17 | - | - |
| copyeditor | 18 | - | - |
| prophesize | 26 | - | - |
| popularism | 16 | music adapted to the understanding and taste of the majority | - |
| stereoptic | 14 | - | - |
| slopestyle | 15 | - | - |
| fiberoptic | 19 | of or relating to fiber optics | - |
| carbidopas | 17 | - | - |
| bupropions | 16 | - | - |
| copiloting | 15 | - | - |
| copperiest | 16 | - | - |
| copylefted | 21 | - | - |
| copyfights | 24 | - | - |
| copraemias | 16 | - | - |
| checkstops | 23 | - | - |
| apophenias | 17 | - | - |
| avoparcins | 17 | - | - |
| alopecoids | 15 | - | - |
| bioprivacy | 22 | - | - |
| bioplastic | 16 | - | - |
| bellyflops | 20 | - | - |
| gastroporn | 13 | - | - |
| gastropubs | 15 | - | - |
| flopticals | 17 | - | - |
| hemianopic | 19 | - | - |
| downslopes | 16 | - | - |
| extropians | 19 | - | - |
| duopolists | 13 | - | - |
| electropop | 16 | - | - |
| endophitic | 18 | - | - |
| monophases | 17 | - | - |
| monopodias | 15 | - | - |
| monoprints | 14 | - | - |
| mudhoppers | 20 | - | - |
| microparty | 19 | - | - |
| opinionate | 12 | - | - |
| nonpopular | 14 | - | - |
| improperer | 16 | - | - |
| isopluvial | 15 | - | - |
| isopterans | 12 | - | - |
| jackalopes | 25 | - | - |
| lollopiest | 12 | - | - |
| reopenings | 13 | - | - |
| rheoscopes | 17 | - | - |
| rotoscoped | 15 | - | - |
| rotoscopes | 14 | - | - |
| quadcopter | 24 | - | - |
| sarcopenia | 14 | - | - |
| popularist | 14 | - | - |
| photoshops | 20 | - | - |
| tokophobia | 21 | - | - |
| topscoring | 15 | - | - |
| tocophobia | 19 | - | - |
| tritanopes | 12 | - | - |
| trollopier | 12 | - | - |
| troparions | 12 | - | - |
| telecopies | 14 | - | - |
| unopposing | 15 | - | - |
| slopesides | 13 | - | - |
| shopfitter | 18 | - | - |
| shophouses | 18 | - | - |
| waitpeople | 17 | - | - |
| canophilia | 17 | - | - |
| canophobia | 19 | - | - |
| cacophonic | 21 | having an unpleasant sound | - |
| cacotopian | 16 | - | - |
| cacotopias | 16 | - | - |
| cacotrophy | 22 | - | - |
| calliopsis | 14 | North American annual widely cultivated for its yellow flowers with purple-red to brownish centers; in some classifications placed in a subgenus Calliopsis | - |
| camelopard | 17 | tallest living quadruped; having a spotted coat and small horns and very long neck and legs; of savannahs of tropical Africa | - |
| cartophile | 17 | - | - |
| cartophily | 20 | - | - |
| cartoppers | 16 | - | - |
| captoprils | 16 | - | - |
| carrottops | 14 | - | - |
| carpophore | 19 | a slender stalk that furnishes an axis for a carpel | - |
| cardophagi | 19 | - | - |
| carhopping | 20 | - | - |
| chaetopods | 18 | - | - |
| catoptrics | 16 | branch of optics dealing with formation of images by mirrors | - |
| ceratopsid | 15 | - | - |
| choppiness | 19 | used of the sea during inclement or stormy weather | - |
| chopfallen | 20 | brought low in spirit | - |
| chophouses | 20 | - | - |
| choplogics | 20 | - | - |
| choppering | 20 | - | - |
| choropleth | 20 | - | - |
| chomophyte | 25 | - | - |
| chlorophyl | 23 | any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms | - |
| chromophil | 22 | - | - |
| chrysophan | 23 | - | - |
| chiropters | 17 | - | - |
| chilopodan | 18 | - | - |
| cladophyll | 21 | a flattened stem resembling and functioning as a leaf | - |
| cleopatras | 14 | - | - |
| colposcope | 18 | - | - |
| colposcopy | 21 | - | - |
| codevelops | 18 | - | - |
| coleoptera | 14 | beetles | - |
| coleopters | 14 | - | - |
| coleoptile | 14 | - | - |
| copolymers | 19 | - | - |
| coproduced | 18 | - | - |
| coproducer | 17 | - | - |
| coproduces | 17 | - | - |
| coproducts | 17 | - | - |
| coprolalia | 14 | an uncontrollable use of obscene language; often accompanied by mental disorders | - |
| coprolites | 14 | - | - |
| coproliths | 17 | - | - |
| coprolitic | 16 | - | - |
| coprisoner | 14 | - | - |
| copresents | 14 | - | - |
| copperases | 16 | - | - |
| copperings | 17 | - | - |
| copperskin | 20 | - | - |
| copperwork | 23 | - | - |
| copperworm | 21 | - | - |
| coppicings | 19 | - | - |
| copresence | 16 | - | - |
| copromoter | 16 | - | - |
| copsewoods | 18 | - | - |
| copyreader | 18 | an editor who prepares text for publication | - |
| copyrights | 21 | - | - |
| copytakers | 21 | - | - |
| copyholder | 21 | mechanical device used in printing; holds the copy for the compositor | - |
| copygraphs | 23 | - | - |
| copulative | 17 | an equating verb (such as `be' or `become') that links the subject with the complement of a sentence | - |
| copurified | 18 | - | - |
| copurifies | 17 | - | - |
| copycatted | 20 | - | - |
| copyedited | 19 | - | - |
| coplotting | 15 | - | - |
| coparcener | 16 | - | - |
| coparented | 15 | - | - |
| copartners | 14 | - | - |
| copartnery | 17 | - | - |
| copatriots | 14 | - | - |
| copayments | 19 | - | - |
| copesettic | 16 | completely satisfactory | - |
| cooptative | 17 | - | - |
| cooptation | 14 | - | - |
| cooperages | 15 | - | - |
| cooperates | 14 | - | - |
| cooperator | 14 | an associate in an activity or endeavor or sphere of common interest | - |
| cooperings | 15 | - | - |
| copestones | 14 | - | - |
| cornopeans | 14 | - | - |
| cormophyte | 22 | - | - |
| contraprop | 16 | - | - |
| craniopagi | 15 | - | - |
| corylopsis | 17 | small genus of deciduous shrubs of temperate regions of Asia | - |
| corylopses | 17 | - | - |
| cosmopolis | 16 | - | - |
| cyclopedia | 20 | a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty | - |
| cyclopedic | 22 | - | - |
| cymophanes | 22 | - | - |
| cynophilia | 20 | - | - |
| cynophobia | 22 | a morbid fear of dogs | - |
| cynopodous | 18 | - | - |
| cyanophyte | 23 | relating to or caused by photosynthetic bacteria of the class Cyanobacteria | - |
| cropduster | 15 | - | - |
| cuckoopint | 20 | common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum | - |
| ctenophore | 17 | biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb | - |
| cryophilic | 22 | - | - |
| cryophorus | 20 | - | - |
| cryophytes | 23 | - | - |
| cryoprobes | 19 | - | - |
| cryoscopes | 19 | - | - |
| cryoscopic | 21 | - | - |
| cytopathic | 22 | - | - |
| cytopenias | 17 | - | - |
| cytophilic | 22 | - | - |
| cytoplasms | 19 | - | - |
| cytoplasts | 17 | - | - |
| cystoscope | 19 | - | - |
| cystoscopy | 22 | - | - |
| dendrophis | 17 | - | - |
| depeopling | 16 | - | - |
| depopulate | 15 | reduce in population | The epidemic depopulated the countryside |
| deoppilate | 15 | - | - |
| borescopes | 16 | - | - |
| brachiopod | 20 | of or belonging to the phylum Brachiopoda | - |
| bryophytes | 23 | - | - |
| bryophytic | 25 | relating to plants of the division Bryophyta | - |
| autopilots | 12 | - | - |
| autopistas | 12 | - | - |
| autoplasty | 15 | tissue that is taken from one site and grafted to another site on the same person | - |
| autopoints | 12 | - | - |
| autopsists | 12 | - | - |
| autopsying | 16 | - | - |
| autoptical | 14 | - | - |
| autophytic | 20 | of or relating to organisms (as green plants) that can make complex organic nutritive compounds from simple inorganic sources by photosynthesis | - |
| autophytes | 18 | - | - |
| autophagia | 16 | - | - |
| autophobia | 17 | - | - |
| autoscopic | 16 | - | - |
| autotrophs | 15 | - | - |
| autotrophy | 18 | - | - |
| axoplasmic | 23 | - | - |
| azeotropes | 21 | - | - |
| azeotropic | 23 | - | - |
| auxotrophs | 22 | - | - |
| auxotrophy | 25 | - | - |
| astrophels | 15 | - | - |
| auriscopes | 14 | - | - |
| auriscopic | 16 | - | - |
| audiophile | 16 | - | - |
| audiophils | 16 | - | - |
| barhopping | 20 | - | - |
| basophiles | 17 | - | - |
| basophilia | 17 | the tendency of cells to stain with basic dyes | cytoplasmic basophilia |
| basophilic | 19 | staining readily with basic dyes | - |
| baroscopic | 18 | - | - |
| baroscopes | 16 | - | - |
| barophiles | 17 | - | - |
| barophilic | 19 | - | - |
| apopemptic | 20 | addressed to one who is departing | apopemptic hymns |
| apophonies | 17 | - | - |
| apophthegm | 23 | a short pithy instructive saying | - |
| apophysate | 20 | - | - |
| apophyseal | 20 | of or relating to an apophysis | - |
| apophysial | 20 | - | - |
| apoplexies | 21 | - | - |
| apoplexing | 22 | - | - |
| apoprotein | 14 | - | - |
| apocopates | 16 | - | - |
| apocopated | 17 | - | - |
| apotropaic | 16 | having the power to prevent evil or bad luck | - |
| apotropous | 14 | - | - |
| anthropoid | 16 | person who resembles a nonhuman primate | - |
| anopheline | 15 | any mosquito of the genus Anopheles | - |
| anthophore | 18 | - | - |
| antilopine | 12 | - | - |
| arthropods | 16 | - | - |
| asthenopia | 15 | a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem | - |
| asthenopic | 17 | - | - |
| archoplasm | 19 | - | - |
| arctophily | 20 | - | - |
| arctophile | 17 | - | - |
| arctophils | 17 | - | - |
| bedropping | 18 | - | - |
| beechdrops | 20 | - | - |
| bishoprics | 19 | - | - |
| bishopweed | 21 | - | - |
| bishopdoms | 20 | - | - |
| bishopbird | 20 | - | - |
| blastopore | 14 | the opening into the archenteron | - |
| blastopors | 14 | - | - |
| bioscopies | 16 | - | - |
| bibliophil | 19 | - | - |
| bibliopole | 16 | a dealer in secondhand books (especially rare or curious books) | - |
| bibliopoly | 19 | - | - |
| bibliopegy | 20 | - | - |
| bioplasmic | 18 | - | - |
| biopoieses | 14 | - | - |
| biopoiesis | 14 | - | - |
| biopolymer | 19 | - | - |
| biopirates | 14 | - | - |
| bioparents | 14 | - | - |
| biophilias | 17 | - | - |
| allopatric | 14 | (of biological species or speciation) occurring in areas isolated geographically from one another | - |
| allophanes | 15 | - | - |
| allophones | 15 | - | - |
| allophonic | 17 | pertaining to allophones | - |
| algophobia | 18 | a morbid fear of pain | - |
| alloplasms | 14 | - | - |
| allotropes | 12 | - | - |
| allotropic | 14 | of or related to or exhibiting allotropism | carbon and sulfur and phosphorus are allotropic elements |
| airdropped | 16 | - | - |
| anemophily | 20 | - | - |
| anemoscope | 16 | - | - |
| andropause | 13 | - | - |
| androphore | 16 | - | - |
| anastrophe | 15 | the reversal of the normal order of words | - |
| anatropies | 12 | - | - |
| anatropous | 12 | (of a plant ovule) completely inverted; turned back 180 degrees on its stalk | - |
| anisotropy | 15 | the property of being anisotropic; having a different value when measured in different directions | - |
| anglophils | 16 | - | - |
| anglophobe | 18 | a person who hates England and everything English | - |
| angophoras | 16 | - | - |
| ampelopses | 16 | - | - |
| ampelopsis | 16 | - | - |
| amblyopias | 19 | - | - |
| ambiophony | 22 | - | - |
| ametropias | 14 | - | - |
| amyloplast | 17 | - | - |
| amylopsins | 17 | - | - |
| amyotrophy | 23 | progressive wasting of muscle tissues | - |
| acarophily | 20 | - | - |
| abiotrophy | 20 | a loss of vitality and a degeneration of cells and tissues not due to any apparent injury | - |
| adoptively | 19 | - | - |
| aerotropic | 14 | - | - |
| aeolotropy | 15 | - | - |
| aerophobes | 17 | - | - |
| aerophobia | 17 | - | - |
| aerophobic | 19 | - | - |
| aerophones | 15 | - | - |
| aerophores | 15 | - | - |
| aerophytes | 18 | - | - |
| aeroplanes | 12 | - | - |
| aeropulses | 12 | - | - |
| aerophagia | 16 | swallowing air (usually followed by belching and discomfort and flatulence) | - |
| aeropauses | 12 | - | - |
| aeroscopes | 14 | - | - |
| actinopods | 15 | - | - |
| acrophobes | 19 | - | - |
| acrophobic | 21 | suffering from acrophobia; abnormally afraid of high places | - |
| acrophonic | 19 | - | - |
| acidophile | 18 | an organism that thrives in a relatively acid environment | - |
| acidophils | 18 | - | - |
| adenopathy | 19 | a glandular disease or enlargement of glandular tissue (especially of the lymph glands) | - |
| hagioscope | 18 | - | - |
| haemophile | 20 | someone who has hemophilia and is subject to uncontrollable bleeding | - |
| gyrocopter | 18 | - | - |
| gyropilots | 16 | - | - |
| gyroplanes | 16 | - | - |
| gyroscopes | 18 | - | - |
| halophiles | 18 | - | - |
| halophilic | 20 | - | - |
| halophobes | 20 | - | - |
| halophytes | 21 | - | - |
| halophytic | 23 | - | - |
| hammerkops | 23 | - | - |
| gymnosophs | 21 | - | - |
| gymnosophy | 24 | the doctrine of a sect of Hindu philosophers who practiced nudity and asceticism and meditation | - |
| gynophobia | 21 | a morbid fear of women | - |
| gynophobic | 23 | - | - |
| gynophores | 19 | - | - |
| gynophoric | 21 | - | - |
| gypsophila | 21 | Mediterranean herbs having small white or pink flowers | - |
| gynophobes | 21 | - | - |
| helicopted | 18 | - | - |
| heliopause | 15 | the boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet | - |
| heliophyte | 21 | - | - |
| helioscope | 17 | - | - |
| heliotropy | 18 | - | - |
| hemitropes | 17 | - | - |
| hemitropic | 19 | - | - |
| hemitropal | 17 | - | - |
| hemiopsias | 17 | - | - |
| hemophiles | 20 | - | - |
| hemophilic | 22 | relating to or having hemophilia | - |
| hemoptyses | 20 | - | - |
| hemoptysis | 20 | coughing up blood from the respiratory tract; usually indicates a severe infection of the bronchi or lungs | - |
| helophytes | 21 | - | - |
| hemianopia | 17 | blindness in one half of the visual field of one or both eyes | - |
| hippophagy | 26 | - | - |
| hippophile | 22 | - | - |
| hippophobe | 24 | - | - |
| hierophant | 18 | - | - |
| hieroscopy | 20 | - | - |
| hillslopes | 15 | - | - |
| holophotal | 18 | - | - |
| holophotes | 18 | - | - |
| holophrase | 18 | - | - |
| holophytes | 21 | - | - |
| holophytic | 23 | obtaining nourishment as green plants do | - |
| homeopaths | 20 | - | - |
| hodoscopes | 18 | - | - |
| heterophil | 18 | - | - |
| heteropods | 16 | - | - |
| heterotopy | 18 | - | - |
| hydropaths | 22 | - | - |
| hydropathy | 25 | the internal and external use of water in the treatment of disease | - |
| hydrophane | 22 | - | - |
| hydroscope | 21 | - | - |
| hydropults | 19 | - | - |
| hydropsies | 19 | - | - |
| hydrophile | 22 | - | - |
| hydrophily | 25 | - | - |
| hydrophyte | 25 | a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth | - |
| hydropolyp | 24 | - | - |
| hydropower | 22 | - | - |
| hyalophane | 21 | - | - |
| hyaloplasm | 20 | the clear nongranular portion of the cytoplasm of a cell | - |
| hoopskirts | 19 | - | - |
| homoeopath | 20 | a practitioner of homeopathy | - |
| homophones | 20 | - | - |
| homophonic | 22 | having a single melodic line with accompaniment | - |
| homoplasmy | 22 | - | - |
| homoplasty | 20 | - | - |
| homopteran | 17 | insects having membranous forewings and hind wings | - |
| homophobes | 22 | - | - |
| homophiles | 20 | - | - |
