9-letter words that end in on
- jesselton — former name of Kota Kinabalu.
- josephson — Brian David, born 1940, British physicist: Nobel Prize 1973.
- jumbotron — A very large video screen, typically used in a stadium or concert venue to show close-up shots.
- kabillion — (slang, hyperbole) An unspecified large number (of).
- kajillion — (slang, hyperbole) An unspecified large number (of).
- kakebuton — a thin quilt or coverlet traditionally used when sleeping on a futon.
- kazillion — (slang, hyperbole) An unspecified large number (of).
- keybutton — an object on a keyboard which, when pressed, causes the letter, number, or symbol shown on it to be printed in a document
- kontakion — a short hymn honoring a saint.
- lactation — the secretion or formation of milk.
- lallation — a speech defect in which l is pronounced instead of r, or in which an l- sound is mispronounced.
- lamington — (Australia, obsolete) A Homburg hat.
- largition — an act of, or the quality of, generosity or largesse
- latration — an instance of barking
- laudation — an act or instance of lauding; encomium; tribute.
- lay it on — to put or place in a horizontal position or position of rest; set down: to lay a book on a desk.
- layperson — a person who is not a member of the clergy; one of the laity.
- let in on — to allow or permit: to let him escape.
- let up on — If you let up on someone or something, you stop being so harsh or strict with them.
- lexington — a town in E Massachusetts, NW of Boston: first battle of American Revolution fought here April 19, 1775.
- libration — a real or apparent oscillatory motion, especially of the moon.
- lily iron — a harpoon whose head may be detached.
- lineation — an act or instance of marking with or tracing by lines.
- liquation — (metallurgy) The partial melting of a mixture of metals or ores in order to separate components.
- littleton — Sir Thomas, c1407–1481, English jurist and author.
- livraison — one of the numbers of a book published in parts
- long iron — a club, as a driving iron, midiron, or mid-mashie, with a long shaft and an iron head the face of which has little slope, for hitting long, low shots.
- look upon — regard, consider: as
- looker-on — a person who looks on; onlooker; witness; spectator.
- lord lyon — the chief herald of Scotland
- lovespoon — Alternative spelling of love spoon.
- luctation — an effort; a struggle
- lumberton — a city in S North Carolina.
- lymington — a market town in S England, in SW Hampshire, on the Solent: yachting centre and holiday resort. Pop: 14 227 (2001)
- lyttelton — Humphrey. 1921–2008, British jazz trumpeter and band leader who influenced the British revival of New Orleans jazz
- mactation — the act of sacrificial killing
- madperson — (gender-neutral) A madman or madwoman.
- magnetron — a two-element vacuum tube in which the flow of electrons is under the influence of an external magnetic field, used to generate extremely short radio waves.
- maintenon — Marquise de (Françoise d'Aubigné) 1635–1719, second wife of Louis XIV.
- malathion — an organic phosphate insecticide, C 10 H 19 O 6 S 2 P, of relatively low toxicity for mammals.
- mancation — a holiday for a group of men, esp. one that involves typically masculine pursuits
- mandilion — a short cloak, with full hanging sleeves, often open or slit under the arms, worn by soldiers in the 16th and 17th centuries.
- mandylion — a loose garment formerly worn over armour
- martinson — Harry Edmund [har-ee ed-muh nd;; Swedish hah-ri ed-moo nt] /ˈhær i ˈɛd mənd;; Swedish ˈhɑ rɪ ˈɛd mʊnt/ (Show IPA), 1904–78, Swedish novelist and poet: Nobel prize 1974.
- massillon — a city in NE Ohio.
- masterson — William Barclay ("Bat") 1853–1921, U.S. frontier law officer.
- matfellon — knapweed
- mathewson — Christopher ("Christy") 1880–1925, U.S. baseball player.
- mcmansion — a large modern house considered to look mass-produced, lacking in distinguishing characteristics, and at variance with established local architecture
- mcpherson — Aimee Semple [sem-puh l] /ˈsɛm pəl/ (Show IPA), 1890–1944, U.S. evangelist, born in Canada.