8-letter words ending with UM
Dive into the specific realm of 8-letter words that conclude with the letter UM. This focused section reveals the fascinating ways in which words of this particular length, ending with UM, 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 |
|---|---|---|---|
| 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 | - |
| 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 | - |
| 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 | - |
| 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 | - |
| 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) | - |
| geranium | 11 | any of numerous plants of the family Geraniaceae | - |
| 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 | - |
| 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 | - |
| plectrum | 14 | a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument | - |
| hypogeum | 19 | - | - |
| 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 | - |
| tantalum | 10 | a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite | - |
| refugium | 14 | - | - |
| imperium | 14 | the domain ruled by an emperor or empress; the region over which imperial dominion is exercised | - |
| ununbium | 12 | a radioactive transuranic element | - |
| 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 | - | - |
| vivarium | 16 | an indoor enclosure for keeping and raising living animals and plants and observing them under natural conditions | - |
| vinculum | 15 | - | - |
| videndum | 15 | - | - |
| 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 | - |
| sudarium | 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 | - |
| tenendum | 11 | - | - |
| testatum | 10 | - | - |
| tomentum | 12 | filamentous hairlike growth on a plant | - |
| timpanum | 14 | - | - |
| tillicum | 12 | - | - |
| triticum | 12 | annual cereal grasses from Mediterranean area; widely cultivated in temperate regions | - |
| 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 | - |
| tympanum | 17 | a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it | - |
| splenium | 12 | - | - |
| rosarium | 10 | - | - |
| samarium | 12 | a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite | - |
| 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 | - | - |
| scybalum | 17 | - | - |
| scholium | 15 | a marginal note written by a scholiast (a commentator on ancient or classical literature) | - |
| secundum | 13 | - | - |
| sedilium | 11 | - | - |
| silphium | 15 | tall North American perennial herbs | - |
| silicium | 12 | - | - |
| simulium | 12 | type genus of the Simuliidae: blackflies | - |
| 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 | - |
| soredium | 11 | - | - |
| 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 | - | - |
| peridium | 13 | outer layer of the spore-bearing organ in many fungi | - |
| peponium | 14 | - | - |
| peculium | 14 | - | - |
| philtrum | 15 | - | - |
| phormium | 17 | - | - |
| pessimum | 14 | of an organism's environment; least favorable for survival | - |
| placitum | 14 | - | - |
| plastrum | 12 | - | - |
| poppadum | 17 | - | - |
| proprium | 14 | - | - |
| 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 | - | - |
| pyxidium | 23 | fruit of such plants as the plantain; a capsule whose upper part falls off when the seeds are released | - |
| pulpitum | 14 | - | - |
| pullorum | 12 | - | - |
| pudendum | 14 | human external genital organs collectively especially of a female | - |
| puppodum | 17 | - | - |
| puparium | 14 | - | - |
| ramentum | 12 | - | - |
| ranarium | 10 | - | - |
| overswum | 16 | - | - |
| anestrum | 10 | applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | - |
| allodium | 11 | - | - |
| alluvium | 13 | clay or silt or gravel carried by rushing streams and deposited where the stream slows down | - |
| apterium | 12 | - | - |
| ascidium | 13 | - | - |
| aspidium | 13 | - | - |
| argentum | 11 | - | - |
| atheneum | 13 | a literary or scientific association for the promotion of learning | - |
| bdellium | 13 | aromatic gum resin; similar to myrrh | - |
| basidium | 13 | a small club-shaped structure typically bearing four basidiospores at the ends of minute projections; unique to basidiomycetes | - |
| biennium | 12 | - | - |
| blackgum | 19 | - | - |
| bothrium | 15 | - | - |
| brachium | 17 | (biology) a branching or armlike part of an animal | - |
| aerobium | 12 | - | - |
| aecidium | 13 | - | - |
| achenium | 15 | - | - |
| aciculum | 14 | - | - |
| actinium | 12 | a radioactive element of the actinide series; found in uranium ores | - |
| alburnum | 12 | - | - |
| ageratum | 11 | rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium | - |
| electrum | 12 | an alloy of gold and silver | - |
| encomium | 14 | a formal expression of praise | - |
| europium | 12 | a bivalent and trivalent metallic element of the rare earth group | - |
| eulogium | 11 | a formal expression of praise for someone who has died recently | - |
| eryngium | 14 | large genus of decorative plants with thistlelike flower heads; cosmopolitan in distribution | - |
| exordium | 18 | (rhetoric) the introductory section of an oration or discourse | - |
| extremum | 19 | the point located farthest from the middle of something | - |
| exemplum | 21 | - | - |
| factotum | 15 | a servant employed to do a variety of jobs | - |
| francium | 15 | a radioactive element of the alkali-metal group discovered as a disintegration product of actinium | - |
| frenulum | 13 | - | - |
| galbanum | 13 | a bitter aromatic gum resin that resembles asafetida | - |
| furculum | 15 | - | - |
| fusarium | 13 | - | - |
| disodium | 12 | - | - |
| dominium | 13 | - | - |
| domatium | 13 | a part of a plant (e.g., a leaf) that has been modified to provide protection for insects or mites or fungi | - |
| graphium | 16 | - | - |
| gynecium | 16 | - | - |
| guaiocum | 13 | - | - |
| guaiacum | 13 | small genus of evergreen resinous trees or shrubs of warm and tropical America | - |
| helenium | 13 | genus of American herbs with flowers having yellow rays: sneezeweeds | - |
| hymenium | 18 | spore-bearing layer of cells in certain fungi containing asci or basidia | - |
| humstrum | 15 | - | - |
| indicium | 13 | - | - |
| illuvium | 13 | - | - |
| illinium | 10 | - | - |
| inoculum | 12 | a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease | - |
| indusium | 11 | a membrane enclosing and protecting the developing spores especially that covering the sori of a fern | - |
| ingenium | 11 | - | - |
| isodomum | 13 | - | - |
| labdanum | 13 | a soft blackish-brown resinous exudate from various rockroses used in perfumes especially as a fixative | - |
| labellum | 12 | - | - |
| laburnum | 12 | flowering shrubs or trees having bright yellow flowers; all parts of the plant are poisonous | - |
| gonidium | 12 | - | - |
| glucinum | 13 | - | - |
| macallum | 14 | - | - |
| lutetium | 10 | a trivalent metallic element of the rare earth group; usually occurs in association with yttrium | - |
| lutecium | 12 | a trivalent metallic element of the rare earth group; usually occurs in association with yttrium | - |
| lomentum | 12 | - | - |
| meconium | 14 | thick dark green mucoid material that is the first feces of a newborn child | - |
| masurium | 12 | - | - |
| mezereum | 21 | the dried bark of the shrub mezereon | - |
| mocuddum | 16 | - | - |
| mutandum | 13 | - | - |
| motorium | 12 | - | - |
| nebulium | 12 | - | - |
| mycelium | 17 | the vegetative part of a fungus consisting of a mass of branching threadlike hyphae | - |
| ngultrum | 11 | the basic unit of money in Bhutan | - |
| nobelium | 12 | a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known | - |
| notandum | 11 | - | - |
| opsonium | 12 | - | - |
| origanum | 11 | any of various fragrant aromatic herbs of the genus Origanum used as seasonings | - |
| ordalium | 11 | - | - |
| olibanum | 12 | an aromatic gum resin obtained from various Arabian or East African trees; formerly valued for worship and for embalming and fumigation | - |
| oogonium | 11 | - | - |
| onychium | 18 | small terrestrial ferns of Old World tropics and subtropics: clawed ferns; sometimes placed in family Cryptogrammataceae | - |
| oncidium | 13 | any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants | - |
| ommateum | 14 | - | - |
| ossarium | 10 | - | - |
| lixivium | 20 | - | - |
| cervicum | 17 | - | - |
| cementum | 14 | a specialized bony substance covering the root of a tooth | - |
| checksum | 21 | a digit representing the sum of the digits in an instance of digital data; used to check whether errors have occurred in transmission or storage | - |
| cingulum | 13 | (anatomy) an encircling structure (as the ridge around the base of a tooth) | - |
| ciborium | 14 | - | - |
| cocoplum | 16 | - | - |
| coagulum | 13 | a lump of material formed from the content of a liquid | - |
| conarium | 12 | - | - |
| coremium | 14 | - | - |
| corallum | 12 | - | - |
| coronium | 12 | - | - |
| corundum | 13 | very hard mineral used as an abrasive | - |
| conidium | 13 | an asexually produced fungal spore formed on a conidiophore | - |
| crotalum | 12 | - | - |
| cymatium | 17 | (architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex) | - |
| cyathium | 18 | - | - |
| delubrum | 13 | - | - |
| didymium | 17 | - | - |
| 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 | - |
| diluvium | 14 | - | - |
| canticum | 14 | - | - |
| caladium | 13 | any plant of the genus Caladium cultivated for their ornamental foliage variously patterned in white or pink or red | - |
| cardamum | 15 | aromatic seeds used as seasoning like cinnamon and cloves especially in pickles and barbecue sauces | - |
| abomasum | 14 | the fourth compartment of the stomach of a ruminant; the one where digestion takes place | - |
| nihonium | 13 | - | - |
| limonium | 12 | sea lavender | - |
| pappadum | 17 | - | - |
| dedendum | 13 | - | - |
| chhertum | 18 | - | - |
| habendum | 16 | - | - |
| freemium | 15 | - | - |
| supremum | 14 | - | - |
