9-letter words containing o, s, l, f, i
- foothills — a low hill at the base of a mountain or mountain range.
- foppishly — In a foppish way.
- forelimbs — Plural form of forelimb.
- foresails — Plural form of foresail.
- forestial — Of, like or having to do with a forest.
- 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.
- forskolin — (biochemistry) A labdane diterpene produced by the plant Coleus forskohlii; commonly used in the study and research of cell physiology.
- fort sill — a military reservation and U.S. Army training center in SW Oklahoma, N of Lawton; field artillery school.
- 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.
- 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.
- frivilous — Misspelling of frivolous.
- frivolous — characterized by lack of seriousness or sense: frivolous conduct.
- froglings — Plural form of frogling.
- frontalis — A muscle of the head, sometimes considered to be part of the occipitofrontalis muscle.
- frontlist — a publisher's sales list of newly or recently published books, especially those of popular or ephemeral appeal.
- frostline — the maximum depth at which soil is frozen.
- fulminous — Explosive.
- furiously — full of fury, violent passion, or rage; extremely angry; enraged: He was furious about the accident.
- fusel oil — a mixture consisting chiefly of amyl alcohols obtained as a by-product in the fermentation of grains.
- gigaflops — a measure of computer speed, equal to one billion floating-point operations per second.
- globefish — puffer (def 2).
- glorifies — Third-person singular simple present indicative form of glorify.
- jollifies — Third-person singular simple present indicative form of jollify.
- kiloflops — (unit) 1000 FLOPS. See prefix.
- leinsdorf — Erich [er-ik;; German ey-rikh] /ˈɛr ɪk;; German ˈeɪ rɪx/ (Show IPA), 1912–1993, U.S. orchestra conductor, born in Austria.
- lemonfish — the cobia.
- lifeboats — Plural form of lifeboat.
- lifeforms — Plural form of lifeform.
- loaferish — (of a person) idle, lazy
- loanshift — change or extension of the meaning of a word through the influence of a foreign word, as in the application in English of the meaning “profession” to the word calling through the influence of Latin vocātio.
- loftiness — extending high in the air; of imposing height; towering: lofty mountains.
- manifolds — Plural form of manifold.
- misfolded — Simple past tense and past participle of misfold.
- mollifies — to soften in feeling or temper, as a person; pacify; appease.
- no-frills — providing or including basic services and necessities without any additional features or amenities: Food and beverages are not covered by the low no-frills air fare.
- nonfiscal — not involving government funds
- nonfossil — not related to or derived from fossil fuel
- officials — Plural form of official.
- oilfields — Plural form of oilfield.