9-letter words containing s, o, f, i
- forestine — relating to forests
- foresting — a large tract of land covered with trees and underbrush; woodland.
- forewings — Plural form of forewing.
- forgeries — Plural form of forgery.
- forjaskit — exhausted
- forkiness — the state of being forky
- forklifts — Plural form of forklift.
- formalise — to make formal, especially for the sake of official or authorized acceptance: to formalize an understanding by drawing up a legal contract.
- formalism — strict adherence to, or observance of, prescribed or traditional forms, as in music, poetry, and art.
- formalist — strict adherence to, or observance of, prescribed or traditional forms, as in music, poetry, and art.
- formulise — formulate.
- formulism — adherence to or reliance on formulas.
- forsaking — Present participle of forsake.
- forskolin — (biochemistry) A labdane diterpene produced by the plant Coleus forskohlii; commonly used in the study and research of cell physiology.
- forsythia — a shrub belonging to the genus Forsythia, of the olive family, native to China and southeastern Europe, species of which are cultivated for their showy yellow flowers, which blossom on the bare branches in early spring.
- fort mims — Fort. Fort Mims.
- fort sill — a military reservation and U.S. Army training center in SW Oklahoma, N of Lawton; field artillery school.
- fortieths — Plural form of fortieth.
- fortifies — to protect or strengthen against attack; surround or provide with defensive military works.
- forty-six — a cardinal number, 40 plus 6.
- fossarian — fossor.
- fossicked — Simple past tense and past participle of fossick.
- fossicker — Someone who fossicks.
- fossilify — (dated) To fossilize.
- fossilise — Alternative spelling of fossilize.
- fossilist — One who is versed in the science of fossils.
- fossilize — Geology. to convert into a fossil; replace organic with mineral substances in the remains of an organism.
- fossilogy — (archaic, 1776-19th century) The science or study of fossils.
- fossorial — digging or burrowing.
- fostering — Encourage or promote the development of (something, typically something regarded as good).
- foundries — Plural form of foundry.
- fountains — Plural form of fountain.
- four bits — 50 cents.
- fractions — Mathematics. a number usually expressed in the form a/b. a ratio of algebraic quantities similarly expressed.
- fractious — refractory or unruly: a fractious animal that would not submit to the harness.
- framboise — raspberry.
- francisco — a male given name, Spanish form of Francis.
- free soil — territory in which there is no slavery; esp., any territory in the U.S. where slavery was prohibited before the Civil War
- free-soil — pertaining to or opposing the extension of slavery in the Territories.
- frescoing — Present participle of fresco.
- frictions — Plural form of friction.
- frictious — (rare) Of, related to, or caused by friction.
- frivilous — Misspelling of frivolous.
- frivolous — characterized by lack of seriousness or sense: frivolous conduct.
- frobisher — Sir Martin, 1535?–94, English navigator and explorer.
- frog spit — Also, frog spittle. any of several filamentous freshwater green algae forming floating masses.
- froglings — Plural form of frogling.
- froissart — Jean [zhahn] /ʒɑ̃/ (Show IPA), 1333?–c1400, French chronicler.
- frontalis — A muscle of the head, sometimes considered to be part of the occipitofrontalis muscle.
- frontenis — a Latin American game, resembling squash, played with rackets and a hard rubber ball on a three-walled court similar to a jai alai court.