12-letter words containing f, r, i, s, o, n
- fitness room — a room with gym equipment in it
- fleet prison — (formerly) a London prison, esp used for holding debtors
- flindermouse — (obsolete) A bat (the mammal).
- flooring saw — a saw having a curved edge.
- flourishment — The act or state of flourishing.
- fluoresceine — Alternative spelling of fluorescein.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- 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.
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fortepianist — the player of a fortepiano
- forty-niners — a person, especially a prospector, who went to California in 1849 during the gold rush.
- fourdriniers — Plural form of fourdrinier.
- friction saw — a high-speed circular saw, usually toothless, that is used for cutting metals by using frictional heat to melt the material adjacent to it.
- frictionless — surface resistance to relative motion, as of a body sliding or rolling.
- frondiferous — Producing fronds.
- frontiersman — a person, especially a man, who lives on the frontier, especially in sparsely settled regions.
- frontiersmen — a person, especially a man, who lives on the frontier, especially in sparsely settled regions.
- frontispiece — an illustrated leaf preceding the title page of a book.
- frozen stiff — feeling very cold
- fructosamine — (organic compound) A chemical compound that can be considered the result of a reaction between fructose and ammonia or an amine (with a molecule of water being released).
- frustrations — Plural form of frustration.
- furunculosis — the condition characterized by the presence of boils.
- galeniferous — Of a mineral or deposit that contains galena.
- glandiferous — bearing nuts or acorns
- gonfaloniers — Plural form of gonfalonier.
- griseofulvin — an antibiotic, C 17 H 17 ClO 6 , obtained from a species of Penicillium, used in the treatment of ringworm and other fungous infections of the skin.
- hindforemost — with the back part in the front place
- in course of — in the process of
- in search of — looking for, seeking
- in so far as — to the extent that
- infiltrators — Plural form of infiltrator.
- inflorescent — Of, pertaining to or causing inflorescence.
- infographics — Plural form of infographic.
- infomercials — Plural form of infomercial.
- informations — (legal) Plural form of information.
- iron sulfate — ferrous sulfate.
- jeffersonian — pertaining to or advocating the political principles and doctrines of Thomas Jefferson, especially those stressing minimum control by the central government, the inalienable rights of the individual, and the superiority of an agrarian economy and rural society.