8-letter words that end in on
- tennyson — Alfred, Lord (1st Baron) 1809–92, English poet: poet laureate 1850–92.
- tenoroon — a woodwind instrument which is a cross between a tenor bassoon and an oboe
- tetragon — a polygon having four angles or sides; a quadrangle or quadrilateral.
- tetraxon — a four-pointed spicule
- tevatron — an accelerator in which protons or antiprotons are raised to energies of a few trillion electron-volts.
- the lion — the constellation Leo, the fifth sign of the zodiac
- thermion — an ion emitted by incandescent material.
- thompson — Benjamin, Count Rumford, 1753–1814, English physicist and diplomat, born in the U.S.
- thornton — William, 1759–1828, U.S. architect, born in the British Virgin Islands.
- throw on — clothing: put on hastily
- thurston — a male given name: from a Scandinavian word meaning “Thor's stone.”.
- tiverton — a town in SE Rhode Island.
- tjirebon — a seaport on N Java, in S central Indonesia.
- touch on — to put the hand, finger, etc., on or into contact with (something) to feel it: He touched the iron cautiously.
- traction — the adhesive friction of a body on some surface, as a wheel on a rail or a tire on a road.
- trade on — the act or process of buying, selling, or exchanging commodities, at either wholesale or retail, within a country or between countries: domestic trade; foreign trade.
- trichion — the point of intersection of the normal hairline and the middle line of the forehead.
- trillion — a cardinal number represented in the U.S. by 1 followed by 12 zeros, and in Great Britain by 1 followed by 18 zeros.
- tropaion — a tropaeum, especially in Greece.
- trunnion — either of the two cylindrical projections on a cannon, one on each side for supporting the cannon on its carriage.
- unbutton — to free (buttons) from buttonholes; unfasten or undo.
- uncommon — not common; unusual; rare: an uncommon word.
- unperson — a public figure, especially in a totalitarian country, who, for political or ideological reasons, is not recognized or mentioned in government publications or records or in the news media.
- unpoison — to extract poison from
- unprison — to release from prison.
- unreason — inability or unwillingness to think or act rationally, reasonably, or sensibly; irrationality.
- unseason — to fail to season
- unwanton — done, shown, used, etc., maliciously or unjustifiably: a wanton attack; wanton cruelty.
- unweapon — to remove weapons from; disarm
- upington — a city in the N Cape of Good Hope province, in the N Republic of South Africa.
- v region — variable region.
- vacation — a period of suspension of work, study, or other activity, usually used for rest, recreation, or travel; recess or holiday: Schoolchildren are on vacation now.
- van loon — Hendrik Willem [hen-drik vil-uh m] /ˈhɛn drɪk ˈvɪl əm/ (Show IPA), 1882–1944, U.S. author, born in the Netherlands.
- velation — pronunciation with velar articulation.
- venation — the arrangement of veins, as in a leaf or in the wing of an insect.
- verge on — the edge, rim, or margin of something: the verge of a desert; to operate on the verge of fraud.
- vexation — the act of vexing.
- vigneron — a winemaker.
- vocalion — a type of reed instrument which resembles a human voice
- vocation — a particular occupation, business, or profession; calling.
- volition — the act of willing, choosing, or resolving; exercise of willing: She left of her own volition.
- volution — a spiral or twisted formation or object.
- wahpeton — a member of a North American Indian people belonging to the Santee branch of the Dakota.
- weigh on — to determine or ascertain the force that gravitation exerts upon (a person or thing) by use of a balance, scale, or other mechanical device: to weigh oneself; to weigh potatoes; to weigh gases.
- werelion — (fiction) A shapeshifter who can change between lion and human form.
- whoreson — a bastard.
- xenophon — 434?–355? b.c, Greek historian and essayist.
- yottaton — A measure of the strength of an explosion or a bomb based on how many septillion tons of TNT would be needed to produce the same energy.
- zettaton — A measure of the strength of an explosion or a bomb based on how many sextillion tons of TNT would be needed to produce the same energy.
- zimbalon — a complex zither played especially in Hungary.