8-letter words containing UM
Embark on an exploration of 8-letter words that contain the letter UM. This segment uncovers the diverse range of words that incorporate UM within this specific length, revealing the versatility and richness of language. Ideal for vocabulary enthusiasts and word-game aficionados.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| humanity | 16 | the quality of being human | - |
| argument | 11 | a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning | - |
| umbrella | 12 | a formation of military planes maintained over ground operations or targets | an air umbrella over England |
| document | 13 | writing that provides information (especially information of an official nature) | - |
| rumbling | 13 | continuous full and low-pitched throbbing sound | the rumbling rolling sound of thunder |
| assuming | 11 | excessively forward | on a subject like this it would be too assuming for me to decide |
| numerous | 10 | amounting to a large indefinite number | numerous times |
| consumed | 13 | - | - |
| consumer | 12 | a person who uses goods or services | - |
| monument | 12 | a burial vault (usually for some famous person) | - |
| mumbling | 15 | ineffectual chewing (as if without teeth) | - |
| cucumber | 16 | a melon vine of the genus Cucumis; cultivated from earliest times for its cylindrical green fruit | - |
| plumbing | 15 | utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage | - |
| aquarium | 19 | a tank or pool or bowl filled with water for keeping live fish and underwater animals | - |
| platinum | 12 | a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits | - |
| dumpster | 13 | a container designed to receive and transport and dump waste | - |
| aluminum | 12 | a silvery ductile metallic element found primarily in bauxite | - |
| humility | 16 | a disposition to be humble; a lack of false pride | not everyone regards humility as a virtue |
| momentum | 14 | an impelling force or strength | the car's momentum carried it off the road |
| drumming | 14 | the act of playing drums | he practiced his drumming several hours every day |
| thumping | 16 | (used informally) very large | a thumping loss |
| titanium | 10 | a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite | - |
| humidity | 17 | wetness in the atmosphere | - |
| spectrum | 14 | a broad range of related objects or values or qualities or ideas or activities | - |
| trumpets | 12 | pitcher plant of southeastern United States having erect yellow trumpet-shaped pitchers with wide mouths and erect lids | - |
| presumed | 13 | - | - |
| dumpling | 14 | small balls or strips of boiled or steamed dough | - |
| humorous | 13 | full of or characterized by humor | humorous stories |
| tumbling | 13 | the gymnastic moves of an acrobat | - |
| coliseum | 12 | an oval large stadium with tiers of seats; an arena in which contests and spectacles are held | - |
| delirium | 11 | state of violent mental agitation | - |
| inhumane | 13 | lacking and reflecting lack of pity or compassion | humans are innately inhumane; this explains much of the misery and suffering in the world |
| luminous | 10 | softly bright or radiant | a sky luminous with stars |
| pendulum | 13 | an apparatus consisting of an object mounted so that it swings freely under the influence of gravity | - |
| slumming | 13 | - | - |
| crumpled | 15 | of metal e.g. | a car with a crumpled front end |
| jumpsuit | 19 | one-piece garment fashioned after a parachutist's uniform | - |
| ammonium | 14 | the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion | - |
| emporium | 14 | a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain | - |
| stadiums | 11 | - | - |
| numbness | 12 | the trait of lacking enthusiasm for or interest in things generally | - |
| chromium | 17 | a hard brittle multivalent metallic element; resistant to corrosion and tarnishing | - |
| perfumed | 16 | filled or impregnated with perfume | perfumed boudoir |
| fumbling | 16 | showing lack of skill or aptitude | his fumbling attempt to put up a shelf |
| humanoid | 14 | an automaton that resembles a human being | - |
| laudanum | 11 | narcotic consisting of an alcohol solution of opium or any preparation in which opium is the main ingredient | - |
| strumpet | 12 | a woman adulterer | - |
| solarium | 10 | a room enclosed largely with glass and affording exposure to the sun | - |
| fumigate | 14 | treat with fumes, expose to fumes, especially with the aim of disinfecting or eradicating pests | - |
| linoleum | 10 | a floor covering | - |
| dumbbell | 15 | an ignorant or foolish person | - |
| humanist | 13 | of or pertaining to Renaissance humanism | the humanistic revival of learning |
| bumbling | 15 | lacking physical movement skills, especially with the hands | a bumbling mechanic |
| humpback | 23 | an abnormal backward curve to the vertebral column | - |
| humanely | 16 | in a humane manner | let's treat the prisoners of war humanely |
| resuming | 11 | - | - |
| humanism | 15 | the doctrine that people's duty is to promote human welfare | - |
| humbling | 16 | causing awareness of your shortcomings | golf is a humbling game |
| costumed | 13 | dressed in clothing characteristic of a period, country, or class | - |
| drumbeat | 13 | the sound made by beating a drum | - |
| humoring | 14 | the act of indulging or gratifying a desire | - |
| gumption | 13 | fortitude and determination | - |
| numskull | 14 | a stupid person; these words are used to express a low opinion of someone's intelligence | - |
| speculum | 14 | a medical instrument for dilating a bodily passage or cavity in order to examine the interior | - |
| addendum | 13 | textual matter that is added onto a publication; usually at the end | - |
| cerebrum | 14 | anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans | - |
| pummeled | 15 | - | - |
| strummer | 12 | - | - |
| subhuman | 15 | less than human or not worthy of a human being | treated natives as subhuman |
| clumsily | 15 | in a clumsy manner | he snatched the bills clumsily |
| selenium | 10 | a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite) | - |
| dumbhead | 17 | - | - |
| humanize | 22 | make more humane | The mayor tried to humanize life in the big city |
| geranium | 11 | any of numerous plants of the family Geraniaceae | - |
| doldrums | 12 | a state of inactivity (in business or art etc) | - |
| polonium | 12 | a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor | - |
| duodenum | 12 | the part of the small intestine between the stomach and the jejunum | - |
| nonhuman | 13 | not human; not belonging to or produced by or appropriate to human beings | nonhuman primates such as chimpanzees |
| perfumer | 15 | a person who makes (and sells) perfumes | - |
| perineum | 12 | the general region between the anus and the genital organs | - |
| autumnal | 10 | characteristic of late maturity verging on decline | a serene autumnal mood |
| benumbed | 15 | lacking sensation | - |
| aconitum | 12 | genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal | - |
| dumbness | 13 | the quality of being mentally slow and limited | - |
| ruminate | 10 | reflect deeply on a subject | - |
| costumer | 12 | someone who designs or supplies costumes (as for a play or masquerade) | - |
| rubidium | 13 | a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite | - |
| rummaged | 14 | - | - |
| slumlord | 11 | - | - |
| exhuming | 21 | - | - |
| luminary | 13 | a celebrity who is an inspiration to others | - |
| clumping | 15 | the sound of a horse's hoofs hitting on a hard surface | - |
| plectrum | 14 | a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument | - |
| encumber | 14 | restrict (someone or something) so as to make free movement difficult | - |
| hypogeum | 19 | - | - |
| chumming | 18 | - | - |
| capsicum | 16 | chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers | - |
| thallium | 13 | a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores | - |
| trumping | 13 | (card games) the act of taking a trick with a trump when unable to follow suit | - |
| penumbra | 14 | a fringe region of partial shadow around an umbra | - |
| dumpsite | 13 | a piece of land where waste materials are dumped | - |
| summoner | 12 | - | - |
| tantalum | 10 | a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite | - |
| spumante | 12 | - | - |
| plumping | 15 | very large; of exceptional size for its kind | won by a plumping majority |
| reassume | 10 | - | - |
| refugium | 14 | - | - |
| dummkopf | 22 | - | - |
| grumbler | 13 | a person given to excessive complaints and crying and whining | - |
| grumpier | 13 | - | - |
| gumboots | 13 | - | - |
| humorist | 13 | someone who acts speaks or writes in an amusing way | - |
| imperium | 14 | the domain ruled by an emperor or empress; the region over which imperial dominion is exercised | - |
| clumsier | 12 | - | - |
| craniums | 12 | - | - |
| unsummed | 13 | - | - |
| ununbium | 12 | a radioactive transuranic element | - |
| unplumbs | 14 | - | - |
| unplumed | 13 | - | - |
| unplumes | 12 | - | - |
| uraniums | 10 | - | - |
| vacuumed | 16 | - | - |
| whummled | 19 | - | - |
| whummles | 18 | - | - |
| whumping | 19 | - | - |
| zerumbet | 21 | - | - |
| yttriums | 13 | - | - |
| yummiest | 15 | - | - |
| zooecium | 21 | - | - |
| veratrum | 13 | a genus of coarse poisonous perennial herbs; sometimes placed in subfamily Melanthiaceae | - |
| venidium | 14 | - | - |
| vexillum | 20 | - | - |
| viburnum | 15 | deciduous or evergreen shrubs or small trees: arrow-wood; wayfaring tree | - |
| viaticum | 15 | - | - |
| variorum | 13 | an edition containing various versions of a text or notes by various scholars or editors | - |
| vanadium | 14 | a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite | - |
| velarium | 13 | - | - |
| vasculum | 15 | - | - |
| voluming | 14 | - | - |
| volumise | 13 | - | - |
| volumist | 13 | - | - |
| volumize | 22 | - | - |
| vitreums | 13 | - | - |
| vivarium | 16 | an indoor enclosure for keeping and raising living animals and plants and observing them under natural conditions | - |
| vinculum | 15 | - | - |
| videndum | 15 | - | - |
| stratums | 10 | - | - |
| striatum | 10 | a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere; consists of the caudate nucleus and the lenticular nucleus | - |
| stumbled | 13 | - | - |
| stumbler | 12 | a walker or runner who trips and almost falls | - |
| stumbles | 12 | - | - |
| stummels | 12 | - | - |
| stumming | 13 | - | - |
| stumpage | 13 | - | - |
| stumpers | 12 | - | - |
| stumpier | 12 | - | - |
| stumpies | 12 | - | - |
| stumpily | 15 | - | - |
| stumping | 13 | campaigning for something by making political speeches (stump speeches) | - |
| strummed | 13 | - | - |
| strummel | 12 | - | - |
| strumose | 10 | - | - |
| strumous | 10 | - | - |
| stomiums | 12 | - | - |
| succumbs | 16 | - | - |
| subsumes | 12 | - | - |
| subsumed | 13 | - | - |
| sumatras | 10 | - | - |
| summable | 14 | - | - |
| sudarium | 11 | - | - |
| subhumid | 16 | - | - |
| summands | 13 | - | - |
| sumoists | 10 | - | - |
| sumotori | 10 | - | - |
| sumphish | 18 | - | - |
| sumpitan | 12 | - | - |
| sumpters | 12 | - | - |
| sumpweed | 16 | - | - |
| summoned | 13 | - | - |
| summitry | 15 | - | - |
| summated | 13 | - | - |
| summates | 12 | - | - |
| summered | 13 | - | - |
| summerly | 15 | - | - |
| summings | 13 | - | - |
| summists | 12 | - | - |
| summital | 12 | - | - |
| summited | 13 | - | - |
| taediums | 11 | - | - |
| syconium | 15 | the fleshy multiple fruit of the fig consisting of an enlarged hollow receptacle containing numerous fruitlets | - |
| teetotum | 10 | a conical child's plaything tapering to a steel point on which it can be made to spin | - |
| tegument | 11 | a natural protective body covering and site of the sense of touch | - |
| tegumina | 11 | - | - |
| tenendum | 11 | - | - |
| tantrums | 10 | - | - |
| thoriums | 13 | - | - |
| terbiums | 12 | - | - |
| testatum | 10 | - | - |
| tetotums | 10 | - | - |
| tomentum | 12 | filamentous hairlike growth on a plant | - |
| thrummed | 16 | - | - |
| thrummer | 15 | - | - |
| thuliums | 13 | - | - |
| thumbier | 15 | - | - |
| thumbing | 16 | - | - |
| thumbkin | 19 | - | - |
| thumbnut | 15 | a threaded nut with winglike projections for thumb and forefinger leverage in turning | - |
| thumbpot | 17 | - | - |
| thumpers | 15 | - | - |
| timpanum | 14 | - | - |
| tillicum | 12 | - | - |
| traumata | 10 | - | - |
| trankums | 14 | - | - |
| transume | 10 | - | - |
| triumphs | 15 | - | - |
| triumvir | 13 | one of a group of three sharing public administration or civil authority especially in ancient Rome | - |
| triviums | 13 | - | - |
| tritiums | 10 | - | - |
| triticum | 12 | annual cereal grasses from Mediterranean area; widely cultivated in temperate regions | - |
| trumeaux | 17 | - | - |
| trumpery | 15 | nonsensical talk or writing | - |
| trillium | 10 | any liliaceous plant of the genus Trillium having a whorl of three leaves at the top of the stem with a single three-petaled flower | - |
| trinkums | 14 | - | - |
| triduums | 11 | - | - |
| tympanum | 17 | a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it | - |
| tsutsumu | 10 | - | - |
| tumblers | 12 | - | - |
| tumbrels | 12 | - | - |
| tumbrils | 12 | - | - |
| tumefied | 14 | - | - |
| tumefies | 13 | - | - |
| tumesced | 13 | - | - |
| tumesces | 12 | - | - |
| tumidity | 14 | slight swelling of an organ or part | - |
| tummlers | 12 | - | - |
| tumorous | 10 | - | - |
| tumphies | 15 | - | - |
| tumpiest | 12 | - | - |
| tumpline | 12 | - | - |
| tumshies | 13 | - | - |
| tumulary | 13 | - | - |
| tumulose | 10 | - | - |
| tumulous | 10 | - | - |
| tumulted | 11 | - | - |
| umbelled | 13 | - | - |
| umbellet | 12 | - | - |
| umbering | 13 | - | - |
| umbilici | 14 | - | - |
| umbonate | 12 | - | - |
| umbraged | 14 | - | - |
| umbrages | 13 | - | - |
| umbrated | 13 | - | - |
| umbellar | 12 | bearing or consisting of or resembling umbels | - |
| umangite | 11 | - | - |
| umbratic | 14 | - | - |
| umbrello | 12 | - | - |
| umteenth | 13 | last in an indefinitely numerous series | - |
| umquhile | 22 | - | - |
| umbreres | 12 | - | - |
| umbrette | 12 | - | - |
| umbriere | 12 | - | - |
| umlauted | 11 | - | - |
| umlungus | 11 | - | - |
| umpirage | 13 | the act of umpiring | - |
| umpiring | 13 | - | - |
| umptieth | 15 | last in an indefinitely numerous series | - |
| ungummed | 14 | not treated with adhesive gum | - |
| spumonis | 12 | - | - |
| spumones | 12 | - | - |
| spumiest | 12 | - | - |
| splenium | 12 | - | - |
| spodiums | 13 | - | - |
| sternums | 10 | - | - |
| stibiums | 12 | - | - |
| stewbums | 15 | - | - |
| stickums | 16 | - | - |
| stannums | 10 | - | - |
| staumrel | 10 | - | - |
| rhumbaed | 16 | - | - |
| rheniums | 13 | - | - |
| rhodiums | 14 | - | - |
| rheumier | 13 | - | - |
| roumings | 11 | - | - |
| rostrums | 10 | - | - |
| rumbaing | 13 | - | - |
| rumbelow | 15 | - | - |
| rumblers | 12 | - | - |
| rumblier | 12 | - | - |
| ruminant | 10 | any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments | - |
| rosarium | 10 | - | - |
| samarium | 12 | a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite | - |
| sandpump | 15 | - | - |
| sanctums | 12 | - | - |
| rumpuses | 12 | - | - |
| rumpling | 13 | - | - |
| rumplier | 12 | - | - |
| rummager | 13 | - | - |
| rummages | 13 | - | - |
| rummiest | 12 | - | - |
| rumoring | 11 | - | - |
| rumorous | 10 | - | - |
| rumoured | 11 | - | - |
| rumourer | 10 | - | - |
| rumpless | 12 | - | - |
| sacellum | 12 | - | - |
| saeculum | 12 | - | - |
| scandium | 13 | a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite | - |
| scalprum | 14 | - | - |
| schellum | 15 | - | - |
| schlumps | 17 | - | - |
| schlumpy | 20 | - | - |
| satsumas | 10 | - | - |
| scrumpox | 21 | - | - |
| scrumple | 14 | - | - |
| scrumped | 15 | - | - |
| scrummed | 15 | - | - |
| scrummie | 14 | - | - |
| scrotums | 12 | - | - |
| scummier | 14 | - | - |
| scummily | 17 | - | - |
| scumming | 15 | - | - |
| scummers | 14 | - | - |
| scumlike | 16 | - | - |
| scumbags | 15 | - | - |
| scumbers | 14 | - | - |
| scumbled | 15 | - | - |
| scumbles | 14 | - | - |
| scumfish | 18 | - | - |
| scumless | 12 | - | - |
| scybalum | 17 | - | - |
| scholium | 15 | a marginal note written by a scholiast (a commentator on ancient or classical literature) | - |
| seculums | 12 | - | - |
| secundum | 13 | - | - |
| sedilium | 11 | - | - |
| sfumatos | 13 | - | - |
| silphium | 15 | tall North American perennial herbs | - |
| silicium | 12 | - | - |
| shlumped | 16 | - | - |
| skummers | 16 | - | - |
| skrumped | 17 | - | - |
| sistrums | 10 | - | - |
| simulium | 12 | type genus of the Simuliidae: blackflies | - |
| skellums | 14 | - | - |
| smeddums | 14 | - | - |
| slummers | 12 | - | - |
| slummier | 12 | - | - |
| slummock | 18 | - | - |
| slumpier | 12 | - | - |
| slumping | 13 | - | - |
| slumisms | 12 | - | - |
| slumbers | 12 | - | - |
| slumbery | 15 | inclined to or marked by drowsiness | `slumbery' is archaic |
| slumgums | 13 | - | - |
| solidums | 11 | - | - |
| solanums | 10 | - | - |
| solatium | 10 | - | - |
| spiculum | 14 | small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals | - |
| sphagnum | 16 | any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat | - |
| soumings | 11 | - | - |
| sorghums | 14 | - | - |
| soredium | 11 | - | - |
| renumber | 12 | - | - |
| replumbs | 14 | - | - |
| reillume | 10 | - | - |
| relumine | 10 | - | - |
| reluming | 11 | - | - |
| resummon | 12 | - | - |
| restumps | 12 | - | - |
| resumers | 10 | - | - |
| repumped | 15 | - | - |
| residuum | 11 | something left after other parts have been taken away | - |
| paspalum | 14 | tall tufted perennial tropical American grass naturalized as pasture and forage grass in southern United States | - |
| patagium | 13 | - | - |
| papadums | 15 | - | - |
| pantoums | 12 | - | - |
| perfumes | 15 | - | - |
| peridium | 13 | outer layer of the spore-bearing organ in many fungi | - |
| peplumed | 15 | - | - |
| peponium | 14 | - | - |
| peculium | 14 | - | - |
| philtrum | 15 | - | - |
| phormium | 17 | - | - |
| pessimum | 14 | of an organism's environment; least favorable for survival | - |
| placitum | 14 | - | - |
| plastrum | 12 | - | - |
| plagiums | 13 | - | - |
| plumages | 13 | - | - |
| plumelet | 12 | - | - |
| plumeria | 12 | deciduous shrubs and trees of tropical America having branches like candelabra and fragrant white or pink flowers | - |
| plumiest | 12 | - | - |
| plumiped | 15 | - | - |
| plumists | 12 | - | - |
| plumlike | 16 | resembling a plum fruit | - |
| plummest | 14 | - | - |
| plummets | 14 | - | - |
| plumcots | 14 | - | - |
| plumbums | 16 | - | - |
| plumbago | 15 | used as a lubricant and as a moderator in nuclear reactors | - |
| plumbate | 14 | - | - |
| plumbers | 14 | - | - |
| plumbery | 17 | the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building) | - |
| plumbism | 16 | toxic condition produced by the absorption of excessive lead into the system | - |
| plumbite | 14 | - | - |
| plumbous | 14 | relating to or consisting of lead | - |
| plummier | 14 | - | - |
| plumpens | 14 | - | - |
| plumpers | 14 | - | - |
| plumpest | 14 | - | - |
| plumpier | 14 | - | - |
| plumpish | 17 | - | - |
| plumulae | 12 | - | - |
| plumular | 12 | - | - |
| plumules | 12 | - | - |
| plumaged | 14 | having or covered in plumage; often used as a combining form | fully plumaged young bird |
| possumed | 13 | - | - |
| popadums | 15 | - | - |
| pomatums | 14 | - | - |
| poppadum | 17 | - | - |
| presumer | 12 | - | - |
| presumes | 12 | - | - |
| prehuman | 15 | - | - |
| premiums | 14 | - | - |
| protiums | 12 | - | - |
| proprium | 14 | - | - |
| prosumer | 12 | - | - |
| psyllium | 15 | plantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxative | - |
| pronotum | 12 | - | - |
| pygidium | 17 | - | - |
| pythiums | 18 | - | - |
| pyxidium | 23 | fruit of such plants as the plantain; a capsule whose upper part falls off when the seeds are released | - |
| pulpitum | 14 | - | - |
| pumicers | 14 | - | - |
| pumicing | 15 | - | - |
| pumicite | 14 | - | - |
| pummelos | 14 | - | - |
| pumphood | 18 | - | - |
| pumpions | 14 | - | - |
| pumpking | 19 | - | - |
| pumicate | 14 | - | - |
| pumpkins | 18 | - | - |
| pullorum | 12 | - | - |
| pudendum | 14 | human external genital organs collectively especially of a female | - |
| puppodum | 17 | - | - |
| pumpless | 14 | - | - |
| pumplike | 18 | - | - |
| puparium | 14 | - | - |
| ramentum | 12 | - | - |
| rastrums | 10 | - | - |
| ranarium | 10 | - | - |
| overjump | 22 | - | - |
| overpump | 17 | - | - |
| outtrump | 12 | - | - |
| palliums | 12 | - | - |
| panhuman | 15 | - | - |
| panicums | 14 | - | - |
| overswum | 16 | - | - |
| oxoniums | 17 | - | - |
| pabulums | 14 | - | - |
| anestrum | 10 | applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | - |
| alyssums | 13 | - | - |
| alumroot | 10 | any of several herbs of the genus Heuchera | - |
| aluminas | 10 | - | - |
| alumines | 10 | - | - |
| aluminic | 12 | - | - |
| alumiums | 12 | - | - |
| allodium | 11 | - | - |
| alodiums | 11 | - | - |
| alluvium | 13 | clay or silt or gravel carried by rushing streams and deposited where the stream slows down | - |
| apterium | 12 | - | - |
| ascidium | 13 | - | - |
| assumers | 10 | - | - |
| aspidium | 13 | - | - |
| arcanums | 12 | - | - |
| argentum | 11 | - | - |
| atheneum | 13 | a literary or scientific association for the promotion of learning | - |
| aumbries | 12 | - | - |
| aumailed | 11 | - | - |
| balliums | 12 | - | - |
| baculums | 14 | - | - |
| bdellium | 13 | aromatic gum resin; similar to myrrh | - |
| bedumbed | 16 | - | - |
| basidium | 13 | a small club-shaped structure typically bearing four basidiospores at the ends of minute projections; unique to basidiomycetes | - |
| beplumed | 15 | - | - |
| bejumble | 21 | - | - |
| bitumens | 12 | - | - |
| bethumps | 17 | - | - |
| bethumbs | 17 | - | - |
| biennium | 12 | - | - |
| bluegums | 13 | - | - |
| bohriums | 15 | - | - |
| blellums | 12 | - | - |
| blackgum | 19 | - | - |
| bothrium | 15 | - | - |
| brachium | 17 | (biology) a branching or armlike part of an animal | - |
| brumbies | 14 | - | - |
| brummers | 14 | - | - |
| cacumina | 14 | - | - |
| bumblers | 14 | - | - |
| bumboats | 14 | - | - |
| bumelias | 12 | - | - |
