Words Ending With UM
Explore the intriguing collection of words that conclude with the letter UM. This section emphasizes how the final placement of UM influences the tone and character of each word. Whether it's common vocabulary or less familiar terms, uncover the unique impact of ending with UM in the world of words.
2 letter words
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| um | 4 | - | - |
3 letter words
View all| Word | Points | Definition | Sentence example |
|---|---|---|---|
| mum | 7 | failing to speak or communicate etc when expected to | - |
| bum | 7 | ask for and get free; be a parasite | - |
| sum | 5 | determine the sum of | - |
| gum | 6 | wood or lumber from any of various gum trees especially the sweet gum | - |
| rum | 5 | beyond or deviating from the usual or expected | what a rum fellow |
| hum | 8 | an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan | - |
| cum | 7 | the thick white fluid containing spermatozoa that is ejaculated by the male genital tract | - |
| tum | 5 | an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion | - |
| fum | 8 | - | - |
| dum | 6 | - | - |
| vum | 8 | - | - |
| lum | 5 | - | - |
| yum | 8 | - | - |
4 letter words
View all| Word | Points | Definition | Sentence example |
|---|---|---|---|
| scum | 8 | worthless people | - |
| drum | 7 | a bulging cylindrical shape; hollow with flat ends | - |
| plum | 8 | any of several trees producing edible oval fruit having a smooth skin and a single hard stone | - |
| chum | 11 | a close friend who accompanies his buddies in their activities | - |
| slum | 6 | a district of a city marked by poverty and inferior living conditions | - |
| geum | 7 | avens | - |
| glum | 7 | showing a brooding ill humor | a glum, hopeless shrug |
| alum | 6 | a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum | - |
| ovum | 9 | the female reproductive cell; the female gamete | - |
| swum | 9 | - | - |
| stum | 6 | - | - |
| pium | 8 | - | - |
| soum | 6 | - | - |
| roum | 6 | - | - |
| arum | 6 | any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe | - |
| doum | 7 | - | - |
| caum | 8 | - | - |
| neum | 6 | - | - |
| gaum | 7 | - | - |
| grum | 7 | - | - |
5 letter words
View all| Word | Points | Definition | Sentence example |
|---|---|---|---|
| album | 9 | one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audiotape and compact disc | - |
| opium | 9 | an addictive narcotic extracted from seed capsules of the opium poppy | - |
| serum | 7 | an amber, watery fluid, rich in proteins, that separates out when blood coagulates | - |
| forum | 10 | a public facility to meet for open discussion | - |
| strum | 7 | sound the strings of (a stringed instrument) | strum a guitar |
| oakum | 11 | loose hemp or jute fiber obtained by unravelling old ropes; when impregnated with tar it was used to caulk seams and pack joints in wooden ships | - |
| scrum | 9 | (rugby) the method of beginning play in which the forwards of each team crouch side by side with locked arms; play starts when the ball is thrown in between them and the two sides compete for possession | - |
| begum | 10 | a Muslim woman of high rank in India or Pakistan | - |
| hokum | 14 | a message that seems to convey no meaning | - |
| datum | 8 | an item of factual information derived from measurement or research | - |
| cecum | 11 | the cavity in which the large intestine begins and into which the ileum opens | the appendix is an offshoot of the cecum |
| sedum | 8 | any of various plants of the genus Sedum | - |
| rheum | 10 | rhubarb | - |
| ilium | 7 | an ancient city in Asia Minor that was the site of the Trojan War | - |
| cusum | 9 | - | - |
| novum | 10 | - | - |
| notum | 7 | - | - |
| oleum | 7 | - | - |
| onium | 7 | - | - |
| odeum | 8 | - | - |
| odium | 8 | hate coupled with disgust | - |
| ungum | 8 | - | - |
| velum | 10 | a membranous covering attached to the immature fruiting body of certain mushrooms | - |
| thrum | 10 | make a rhythmic sound | - |
| solum | 7 | - | - |
| shtum | 10 | - | - |
| sebum | 9 | the oily secretion of the sebaceous glands; with perspiration it moistens and protects the skin | - |
| sagum | 8 | - | - |
| pilum | 9 | - | - |
| algum | 8 | - | - |
| adsum | 8 | - | - |
| aurum | 7 | - | - |
| dwaum | 11 | - | - |
| durum | 8 | wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America | - |
| degum | 9 | - | - |
| locum | 9 | someone (physician or clergyman) who substitutes temporarily for another member of the same profession | - |
| ledum | 8 | evergreen shrubs of north temperate regions | - |
| larum | 7 | - | - |
| linum | 7 | a herbaceous plant genus of the family Linaceae with small sessile leaves | - |
| khoum | 14 | 5 khoums equal 1 ouguiya in Mauritania | - |
| kokum | 15 | - | - |
| imaum | 9 | (Islam) the man who leads prayers in a mosque; for Shiites an imam is a recognized authority on Islamic theology and law and a spiritual guide | - |
| jugum | 15 | - | - |
| jorum | 14 | a large drinking bowl | - |
| hilum | 10 | (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ | - |
| ileum | 7 | the part of the small intestine between the jejunum and the cecum | - |
| glaum | 8 | - | - |
| garum | 8 | - | - |
| fanum | 10 | - | - |
| filum | 10 | a threadlike structure (as a chainlike series of cells) | - |
Load more words
6 letter words
View all| Word | Points | Definition | Sentence example |
|---|---|---|---|
| museum | 10 | a depository for collecting and displaying objects having scientific or historical or artistic value | - |
| medium | 11 | (usually plural) transmissions that are disseminated widely to the public | - |
| asylum | 11 | a shelter from danger or hardship | - |
| vacuum | 13 | an empty area or space | without their support he'll be ruling in a vacuum |
| sodium | 9 | a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt) | - |
| valium | 11 | a tranquilizer (trade name Valium) used to relieve anxiety and relax muscles; acts by enhancing the inhibitory actions of the neurotransmitter GABA; can also be used as an anticonvulsant drug in cases of nerve agent poisoning | - |
| rectum | 10 | the terminal section of the alimentary canal; from the sigmoid flexure to the anus | - |
| magnum | 11 | a large wine bottle for liquor or wine | - |
| possum | 10 | nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America | - |
| helium | 11 | a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas) | - |
| podium | 11 | a platform raised above the surrounding level to give prominence to the person on it | - |
| atrium | 8 | any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart) | - |
| talcum | 10 | a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder | - |
| quorum | 17 | a gathering of the minimal number of members of an organization to conduct business | - |
| radium | 9 | an intensely radioactive metallic element that occurs in minute amounts in uranium ores | - |
| tedium | 9 | the feeling of being bored by something tedious | - |
| dictum | 11 | an authoritative declaration | - |
| septum | 10 | (anatomy) a dividing partition between two tissues or cavities | - |
| gypsum | 14 | a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris) | - |
| sacrum | 10 | wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx | - |
| barium | 10 | a soft silvery metallic element of the alkali earth group; found in barite | - |
| dinkum | 13 | - | - |
| wampum | 15 | informal terms for money | - |
| lyceum | 13 | a school for students intermediate between elementary school and college; usually grades 9 to 12 | - |
| phylum | 16 | (biology) the major taxonomic group of animals and plants; contains classes | - |
| factum | 13 | - | - |
| vellum | 11 | a heavy creamy-colored paper resembling parchment | - |
| vallum | 11 | - | - |
| sputum | 10 | expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness | - |
| cesium | 10 | a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal | - |
| alarum | 8 | an automatic signal (usually a sound) warning of danger | - |
| allium | 8 | large genus of perennial and biennial pungent bulbous plants: garlic; leek; onion; chive; sometimes placed in family Alliaceae as the type genus | - |
| amomum | 12 | - | - |
| amylum | 13 | a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles | - |
| acetum | 10 | sour-tasting liquid produced usually by oxidation of the alcohol in wine or cider and used as a condiment or food preservative | - |
| adytum | 12 | - | - |
| aecium | 10 | fruiting body of some rust fungi bearing chains of aeciospores | - |
| bivium | 13 | - | - |
| beflum | 13 | - | - |
| conium | 10 | small genus of highly toxic biennials: hemlock | - |
| cilium | 10 | any of the short curved hairs that grow from the edges of the eyelids | - |
| centum | 10 | - | - |
| cerium | 10 | a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group | - |
| caecum | 12 | the cavity in which the large intestine begins and into which the ileum opens | - |
| bunkum | 14 | unacceptable behavior (especially ludicrously false statements) | - |
| boojum | 17 | - | - |
| antrum | 8 | a natural cavity or hollow in a bone | - |
| asarum | 8 | wild ginger | - |
| curium | 10 | a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei | - |
| cuprum | 12 | - | - |
Load more words
7 letter words
View all| Word | Points | Definition | Sentence example |
|---|---|---|---|
| minimum | 13 | the smallest possible quantity | - |
| stadium | 10 | a large structure for open-air sports or entertainments | - |
| maximum | 20 | the largest possible quantity | - |
| quantum | 18 | a discrete amount of something that is analogous to the quantities in quantum theory | - |
| uranium | 9 | a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons | - |
| premium | 13 | payment or reward (especially from a government) for acts such as catching criminals or killing predatory animals or enlisting in the military | - |
| calcium | 13 | a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals | - |
| lithium | 12 | a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals | - |
| hoodlum | 13 | an aggressive and violent young criminal | - |
| tantrum | 9 | a display of bad temper | she threw a tantrum |
| scrotum | 11 | the external pouch that contains the testes | - |
| decorum | 12 | propriety in manners and conduct | - |
| optimum | 13 | most desirable possible under a restriction expressed or implied | an optimum return on capital |
| cranium | 11 | the part of the skull that encloses the brain | - |
| iridium | 10 | a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium | - |
| sternum | 9 | the flat bone that articulates with the clavicles and the first seven pairs of ribs | - |
| sanctum | 11 | a sacred place of pilgrimage | - |
| eardrum | 10 | the membrane in the ear that vibrates to sound | - |
| fulcrum | 14 | the pivot about which a lever turns | - |
| humdrum | 15 | not challenging; dull and lacking excitement | - |
| modicum | 14 | a small or moderate or token amount | England still expects a modicum of eccentricity in its artists |
| opossum | 11 | nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America | - |
| cadmium | 14 | a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores | - |
| nostrum | 9 | hypothetical remedy for all ills or diseases; once sought by the alchemists | - |
| natrium | 9 | - | - |
| jejunum | 23 | the part of the small intestine between the duodenum and the ileum | - |
| thorium | 12 | a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands | - |
| rostrum | 9 | beaklike projection of the anterior part of the head of certain insects such as e.g. weevils | - |
| stratum | 9 | people having the same social, economic, or educational status | - |
| sorghum | 13 | made from juice of sweet sorghum | - |
| plumbum | 15 | - | - |
| tritium | 9 | a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms | - |
| centrum | 11 | the main body of a vertebra | - |
| arcanum | 11 | information known only to a special group | - |
| stickum | 15 | - | - |
| agendum | 11 | a list of matters to be taken up (as at a meeting) | - |
| exuvium | 19 | - | - |
| enrheum | 12 | - | - |
| erodium | 10 | geraniums of Europe and South America and Australia especially mountainous regions | - |
| erratum | 9 | a mistake in printed matter resulting from mechanical failures of some kind | - |
| elytrum | 12 | - | - |
| eluvium | 12 | - | - |
| elogium | 10 | - | - |
| dubnium | 12 | a transuranic element | - |
| crumbum | 15 | - | - |
| crissum | 11 | - | - |
| outswum | 12 | - | - |
| omentum | 11 | a fold of peritoneum supporting the viscera | - |
| oestrum | 9 | - | - |
| offscum | 17 | - | - |
Load more words
8 letter words
View all| Word | Points | Definition | Sentence example |
|---|---|---|---|
| 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 | - |
| aluminum | 12 | a silvery ductile metallic element found primarily in bauxite | - |
| momentum | 14 | an impelling force or strength | the car's momentum carried it off the road |
| 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 | - |
| spectrum | 14 | a broad range of related objects or values or qualities or ideas or activities | - |
| delirium | 11 | state of violent mental agitation | - |
| coliseum | 12 | an oval large stadium with tiers of seats; an arena in which contests and spectacles are held | - |
| pendulum | 13 | an apparatus consisting of an object mounted so that it swings freely under the influence of gravity | - |
| 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 | - |
| chromium | 17 | a hard brittle multivalent metallic element; resistant to corrosion and tarnishing | - |
| laudanum | 11 | narcotic consisting of an alcohol solution of opium or any preparation in which opium is the main ingredient | - |
| solarium | 10 | a room enclosed largely with glass and affording exposure to the sun | - |
| linoleum | 10 | a floor covering | - |
| cerebrum | 14 | anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans | - |
| addendum | 13 | textual matter that is added onto a publication; usually at the end | - |
| speculum | 14 | a medical instrument for dilating a bodily passage or cavity in order to examine the interior | - |
| geranium | 11 | any of numerous plants of the family Geraniaceae | - |
| 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) | - |
| duodenum | 12 | the part of the small intestine between the stomach and the jejunum | - |
| 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 | - |
| perineum | 12 | the general region between the anus and the genital organs | - |
| aconitum | 12 | genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal | - |
| 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 | - |
| capsicum | 16 | chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers | - |
| hypogeum | 19 | - | - |
| plectrum | 14 | a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument | - |
| 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 | - |
| imperium | 14 | the domain ruled by an emperor or empress; the region over which imperial dominion is exercised | - |
| refugium | 14 | - | - |
| tantalum | 10 | a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite | - |
| supremum | 14 | - | - |
| freemium | 15 | - | - |
| habendum | 16 | - | - |
| chhertum | 18 | - | - |
| dedendum | 13 | - | - |
| pappadum | 17 | - | - |
| limonium | 12 | sea lavender | - |
| nihonium | 13 | - | - |
| abomasum | 14 | the fourth compartment of the stomach of a ruminant; the one where digestion takes place | - |
| cardamum | 15 | aromatic seeds used as seasoning like cinnamon and cloves especially in pickles and barbecue sauces | - |
| caladium | 13 | any plant of the genus Caladium cultivated for their ornamental foliage variously patterned in white or pink or red | - |
| canticum | 14 | - | - |
| diluvium | 14 | - | - |
| diestrum | 11 | (of animals having several estrous cycles in one breeding season) a state or interval of sexual inactivity or quiescence between periods of activity | - |
| didymium | 17 | - | - |
| delubrum | 13 | - | - |
| cyathium | 18 | - | - |
| cymatium | 17 | (architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex) | - |
Load more words
9 letter words
View all| Word | Points | Definition | Sentence example |
|---|---|---|---|
| plutonium | 13 | a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239 | - |
| petroleum | 13 | a dark oil consisting mainly of hydrocarbons | - |
| continuum | 13 | a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts | - |
| potassium | 13 | a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite | - |
| gymnasium | 17 | athletic facility equipped for sports or physical training | - |
| ultimatum | 13 | a final peremptory demand | - |
| mausoleum | 13 | a large burial chamber, usually above ground | - |
| magnesium | 14 | a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine) | - |
| symposium | 18 | a meeting or conference for the public discussion of some topic especially one in which the participants form an audience and make presentations | - |
| conundrum | 14 | a difficult problem | - |
| harmonium | 16 | a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows | - |
| aluminium | 13 | a silvery ductile metallic element found primarily in bauxite | - |
| sugarplum | 14 | any of various small sugary candies | - |
| colosseum | 13 | a large amphitheater in Rome whose construction was begun by Vespasian about AD 75 or 80 | - |
| bacterium | 15 | (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants | - |
| zirconium | 22 | a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon | - |
| palladium | 14 | a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry | - |
| terrarium | 11 | a vivarium in which selected living plants are kept and observed | - |
| presidium | 14 | a permanent executive committee in socialist countries that has all the powers of some larger legislative body and that acts for it when it is not in session | - |
| antiserum | 11 | blood serum containing antibodies against specific antigens; provides immunity to a disease | - |
| euphonium | 16 | a bass horn (brass wind instrument) that is the tenor of the tuba family | - |
| strontium | 11 | a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite | - |
| deuterium | 12 | an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen) | - |
| sensorium | 11 | the areas of the brain that process and register incoming sensory information and make possible the conscious awareness of the world | - |
| arboretum | 13 | a facility where trees and shrubs are cultivated for exhibition | - |
| athenaeum | 14 | a literary or scientific association for the promotion of learning | - |
| germanium | 14 | a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite | - |
| collyrium | 16 | lotion consisting of a solution used as a cleanser for the eyes | - |
| cymbidium | 21 | any of various plants of the genus Cymbidium having narrow leaves and a long drooping cluster of numerous showy and variously colored boat-shaped flowers; extensively hybridized and cultivated as houseplants and important florists' flowers | - |
| practicum | 17 | - | - |
| flerovium | 17 | - | - |
| ecomuseum | 15 | - | - |
| hedysarum | 18 | genus of herbs of north temperate regions | - |
| dicalcium | 16 | - | - |
| hydroxium | 25 | - | - |
| joliotium | 18 | - | - |
| moscovium | 18 | - | - |
| ligustrum | 12 | genus of Old World shrubs: privet | - |
| achaenium | 16 | - | - |
| americium | 15 | a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms | - |
| arbitrium | 13 | - | - |
| anthodium | 15 | - | - |
| anthurium | 14 | any of various tropical American plants cultivated for their showy foliage and flowers | - |
| anoestrum | 11 | applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | - |
| avisandum | 15 | - | - |
| avizandum | 24 | - | - |
| asplenium | 13 | in some classification systems placed in family Polypodiaceae | - |
| asphaltum | 16 | - | - |
| clitellum | 13 | - | - |
| claustrum | 13 | a layer of grey matter in the brain adjacent to the lenticular nucleus | - |
Load more words
10 letter words
View all| Word | Points | Definition | Sentence example |
|---|---|---|---|
| millennium | 14 | the 1000th anniversary (or the celebration of it) | - |
| auditorium | 13 | the area of a theater or concert hall where the audience sits | - |
| curriculum | 16 | an integrated course of academic studies | - |
| sanatorium | 12 | pejorative terms for an insane asylum | - |
| sanitarium | 12 | a hospital for recuperation or for the treatment of chronic diseases | - |
| memorandum | 17 | a written proposal or reminder | - |
| consortium | 14 | an association of companies for some definite purpose | - |
| referendum | 16 | a legislative act is referred for final approval to a popular vote by the electorate | - |
| moratorium | 14 | a legally authorized postponement before some obligation must be discharged | - |
| cerebellum | 16 | a major division of the vertebrate brain; situated above the medulla oblongata and beneath the cerebrum in humans | - |
| molybdenum | 20 | a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel | - |
| postpartum | 16 | occurring immediately after birth | - |
| compendium | 19 | a publication containing a variety of works | - |
| proscenium | 16 | the wall that separates the stage from the auditorium in a modern theater | - |
| honorarium | 15 | a fee paid for a nominally free service | - |
| simulacrum | 16 | a representation of a person (especially in the form of sculpture) | - |
| paramecium | 18 | any member of the genus Paramecium | - |
| antebellum | 14 | belonging to a period before a war especially the American Civil War | - |
| colloquium | 23 | an academic meeting or seminar usually led by a different lecturer and on a different topic at each meeting | - |
| nasturtium | 12 | aquatic herbs | - |
| stumblebum | 18 | an awkward stupid person | - |
| digitorium | 14 | - | - |
| desiderium | 14 | - | - |
| gadolinium | 14 | a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group | - |
| fumatorium | 17 | - | - |
| filopodium | 18 | - | - |
| exosporium | 21 | - | - |
| euphorbium | 19 | an acrid brown gum resin now used mainly in veterinary medicine | - |
| eupatorium | 14 | large genus of chiefly tropical herbs having heads of white or purplish flowers | - |
| epineurium | 14 | - | - |
| eponychium | 22 | - | - |
| epithelium | 17 | membranous tissue covering internal organs and other internal surfaces of the body | - |
| episternum | 14 | - | - |
| epicardium | 17 | the innermost of the two layers of the pericardium | - |
| epicranium | 16 | the muscle and aponeurosis and skin covering the cranium | - |
| epicentrum | 16 | - | - |
| epidendrum | 16 | large and variable genus of terrestrial or epiphytic or lithophytic orchids of tropical and subtropical Americas; some native to United States | - |
| eriophorum | 17 | cotton grass | - |
| emplastrum | 16 | - | - |
| embothrium | 19 | small genus of South American evergreen shrubs or small trees with long willowy branches and flowers in flamboyant terminal clusters | - |
| dysprosium | 18 | a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic | - |
| lycopodium | 20 | type and sole genus of the Lycopodiaceae; erect or creeping evergreen plants often used for Christmas decorations | - |
| panjandrum | 22 | an important or influential (and often overbearing) person | - |
| pancratium | 16 | - | - |
| panaritium | 14 | - | - |
| opprobrium | 18 | state of disgrace resulting from public abuse | - |
| ommatidium | 17 | any of the numerous small cone-shaped eyes that make up the compound eyes of some arthropods | - |
| osmiridium | 15 | a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc. | - |
| osmeterium | 14 | - | - |
| oceanarium | 14 | - | - |
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