12-letter words containing r, e, t, n, i
- fire curtain — safety curtain.
- fire hydrant — a hydrant for use in extinguishing fires.
- fire setting — an ancient method of shattering rock by building a fire against it so as to cause it to split as a result of uneven internal stresses.
- fire station — a building in which firefighting apparatus and usually fire department personnel are housed; firehouse.
- firefighting — a person who fights destructive fires.
- first finger — the finger next to the thumb; index finger
- first person — the grammatical person used by a speaker in statements referring to himself or herself (first person singular) or to a group including himself or herself (first person plural)
- firstnighter — a person who often or usually attends the theater, opera, etc., on opening night.
- fitness room — a room with gym equipment in it
- flat-grained — (of sawed lumber) having the annual rings at an angle of less than 45° with the broader surfaces.
- flatteringly — In a flattering manner.
- flavoprotein — an enzyme, containing riboflavin and linked chemically with a protein, active in the oxidation of foods in animal cells.
- fleet prison — (formerly) a London prison, esp used for holding debtors
- flight nurse — a nurse in the U.S. Air Force who tends patients being transported by airplane.
- flourishment — The act or state of flourishing.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- foetoprotein — Alternative spelling of fetoprotein.
- for instance — a case or occurrence of anything: fresh instances of oppression.
- for-instance — an instance or example: Give me a for-instance of what you mean.
- foredestined — Simple past tense and past participle of foredestine.
- foreordinate — foreordain.
- forestalling — Present participle of forestall.
- foretokening — Indication in advance.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel
- fornicatress — (obsolete) A woman guilty of fornication.
- fort benning — a military reservation and U.S. Army training center in W Georgia, S of Columbus; the largest infantry post in the U.S.
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fortepianist — the player of a fortepiano
- fortruncible — A cross between Fortran and RUNCIBLE for the IBM 650. Listed in CACM 2(5):16 (May 1959).
- forty-niners — a person, especially a prospector, who went to California in 1849 during the gold rush.
- fotheringhay — a village in NE Northamptonshire, in E England, near Peterborough: Mary, Queen of Scots, imprisoned here and executed 1587.
- foundationer — a person supported by funds from a foundation, or serving as a member of a foundation
- fractionated — Simple past tense and past participle of fractionate.
- fragmentized — fragmented.
- franc-tireur — a sharpshooter in the French army.
- francescatti — Zino [zee-noh] /ˈzi noʊ/ (Show IPA), 1905–1991, French violinist.
- frankenstein — a person who creates a monster or a destructive agency that cannot be controlled or that brings about the creator's ruin.
- fraternalism — of or befitting a brother or brothers; brotherly.
- fraternality — Brotherliness.
- fraternising — to associate in a fraternal or friendly way.
- fraternities — Plural form of fraternity.
- fraternizing — Present participle of fraternize.
- free skating — a freestyle competition with no required elements, in which skaters perform an original program of jumps, spins, sequences, etc., to music of their choice.
- free-cutting — (of a metal alloy) having good machinability: free-cutting steel.
- free-thinker — a person who forms opinions on the basis of reason, independent of authority or tradition, especially a person whose religious opinions differ from established belief.
- freeing port — an opening in the bottom of a bulwark, for rapid drainage of a weather deck in heavy seas; scupper.
- freestanding — (of sculpture or architectural elements) unattached to a supporting unit or background; standing alone.
- freethinkers — Plural form of freethinker.
- freethinking — a person who forms opinions on the basis of reason, independent of authority or tradition, especially a person whose religious opinions differ from established belief.
- freight note — a document containing full particulars of goods shipped or for shipment