12-letter words containing f, i, s, n
- fissilingual — having a forked tongue
- fission bomb — atomic bomb.
- fitness room — a room with gym equipment in it
- fitness test — a test to see how fit someone is
- five fingers — any of certain species of potentilla having leaves of five leaflets, as Potentilla canadensis.
- five nations — (formerly) a confederacy of North American Indian peoples living mainly in and around present-day New York state, consisting of the Cayugas, Mohawks, Oneidas, Onondagas, and Senecas
- flabagasting — Present participle of flabagast.
- flag station — a railroad station where trains stop only when a flag or other signal is displayed or when passengers are to be discharged.
- flash drying — Flash drying is a stage in a process to make something bigger, in which a paste-like feed is broken up and dried at the same time.
- fleet prison — (formerly) a London prison, esp used for holding debtors
- fleetingness — passing swiftly; vanishing quickly; transient; transitory: fleeting beauty; a fleeting glance.
- flemish bond — a brickwork bond having alternate stretchers and headers in each course, each header being centered above and below a stretcher.
- flesh-eating — habitually eating flesh; carnivorous
- flexibleness — The state or quality of being flexible.
- flight nurse — a nurse in the U.S. Air Force who tends patients being transported by airplane.
- flindermouse — (obsolete) A bat (the mammal).
- flinders bar — a bar of soft iron, mounted vertically beneath a compass to compensate for vertical magnetic currents.
- flooring saw — a saw having a curved edge.
- flourishment — The act or state of flourishing.
- fluctuations — Plural form of fluctuation.
- fluoresceine — Alternative spelling of fluorescein.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- flux density — the magnetic, radiant, or electric flux per unit of cross-sectional area.
- flyfisherman — Flyfisher.
- flyfishermen — Plural form of flyfisherman.
- flying mouse — pygmy glider.
- flying shear — (in a continuous rolling mill) a shear that moves with the piece being cut.
- flying squad — a trained, mobile group of police officers, business executives, labor officials, or the like, capable of performing specialized tasks whenever or wherever sent, often for use in emergencies.
- flying start — a start, as in sailboat racing, in which the entrants begin moving before reaching the starting line.
- flying visit — A flying visit is a visit that only lasts a very short time.
- folding seat — a seat that can be folded down
- folk singing — the singing of folk songs, especially by a group of people.
- folsom point — a flint point characteristic of the Folsom tradition, typically leaf-shaped and fluted, with small basal extensions, and used on a projectile, as a spear, for hunting game.
- fomentations — Plural form of fomentation.
- food science — the study of the nature of foods and the changes that occur in them naturally and as a result of handling and processing.
- footslogging — Present participle of footslog.
- 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.
- forcibleness — The quality of being forcible.
- foreadmonish — (rare, transitive) To admonish beforehand, or before the act or event.
- foredestined — Simple past tense and past participle of foredestine.
- foreman-ship — a person in charge of a particular department, group of workers, etc., as in a factory or the like.
- forensically — pertaining to, connected with, or used in courts of law or public discussion and debate.
- foreseeingly — by way of foreseeing
- forestalling — Present participle of forestall.
- formulations — Plural form of formulation.
- fornications — Plural form of fornication.
- fornicatress — (obsolete) A woman guilty of fornication.
- fort collins — a city in N Colorado.
- fort madison — a city in SE Iowa, on the Mississippi.