12-letter words containing s, e, r, o, t, i
- extemporised — Simple past tense and past participle of extemporise.
- extemporizes — Third-person singular simple present indicative form of extemporize.
- exteriorises — Third-person singular simple present indicative form of exteriorise.
- exteriorizes — Third-person singular simple present indicative form of exteriorize.
- extortioners — Plural form of extortioner.
- extortionist — A person who tries to obtain something through force or violence; a racketeer.
- extraditions — Plural form of extradition.
- extraversion — Alternative spelling of extroversion.
- extropianism — Belief in, or support for, the theory of extropy.
- extroversion — (psychology) Concern with or an orientation toward others or what is outside oneself; behavior expressing such an orientation; the definitive characteristic of an extrovert.
- extrovertish — Extroverted.
- factorisable — Alternative spelling of factorizable.
- favorite son — (at a national political convention) a candidate nominated for office by delegates from his or her own state.
- fenestration — the design and disposition of windows and other exterior openings of a building.
- festivalgoer — A person attending a festival.
- fetoproteins — Plural form of fetoprotein.
- fiber optics — the branch of optics that deals with the transmission of light through transparent fibers, as in the form of pulses for the transmission of data or communications, or through fiber bundles for the transmission of images.
- fibre optics — optical fibre
- fidel castro — Cipriano [sip-ree-ah-noh;; Spanish see-pree-ah-naw] /ˌsɪp riˈɑ noʊ;; Spanish ˌsi priˈɑ nɔ/ (Show IPA), 1858?–1924, Venezuelan military and political leader: president 1901–08; exiled 1908.
- field sports — sports carried on in the open countryside, such as hunting, shooting, or fishing
- fire station — a building in which firefighting apparatus and usually fire department personnel are housed; firehouse.
- fire support — support given by artillery and aircraft to infantry and armored vehicles.
- 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)
- fitness room — a room with gym equipment in it
- fleet prison — (formerly) a London prison, esp used for holding debtors
- flittermouse — bat2 (def 1).
- flour sifter — a container in which flour is sifted
- flourishment — The act or state of flourishing.
- fluorimeters — Plural form of fluorimeter.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- foolhardiest — Superlative form of foolhardy.
- foot soldier — an infantryman.
- footsoldiers — Plural form of footsoldier.
- 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.
- fore-topsail — a topsail set on a foremast on a ship.
- foredestined — Simple past tense and past participle of foredestine.
- foresightful — care or provision for the future; provident care; prudence.
- forestalling — Present participle of forestall.
- forestaysail — a triangular sail set on a forestay; the innermost headsail of a vessel.
- foretopsails — Plural form of foretopsail.
- fornicatress — (obsolete) A woman guilty of fornication.
- forrest city — a city in E Arkansas.
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fortepianist — the player of a fortepiano
- fortresslike — Resembling a fortress in shape or impregnability.
- forty-niners — a person, especially a prospector, who went to California in 1849 during the gold rush.
- foster child — a child raised by someone who is not its natural or adoptive parent.
- four-striper — a captain in the U.S. Navy.
- frictionless — surface resistance to relative motion, as of a body sliding or rolling.