12-letter words containing o, s, l, f, i
- forcibleness — The quality of being forcible.
- fore-topsail — a topsail set on a foremast on a ship.
- forensically — pertaining to, connected with, or used in courts of law or public discussion and debate.
- foreseeingly — by way of foreseeing
- 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.
- formularizes — Third-person singular simple present indicative form of formularize.
- formulations — Plural form of formulation.
- fort collins — a city in N Colorado.
- fort pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.
- fortresslike — Resembling a fortress in shape or impregnability.
- fortuitously — In a fortuitous manner.
- fossil fuels — any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life.
- foster child — a child raised by someone who is not its natural or adoptive parent.
- foul-tasting — having a very unpleasant taste
- fox squirrel — any of several North American arboreal squirrels varying in color and of an exceptionally large size.
- frictionless — surface resistance to relative motion, as of a body sliding or rolling.
- frolicsomely — In a frolicsome manner.
- fuliginosity — The condition or quality of being fuliginous; sootiness.
- fuliginously — In a fuliginous manner.
- fulminations — Plural form of fulmination.
- functionless — Lacking a function.
- furunculosis — the condition characterized by the presence of boils.
- futurologist — (sometimes initial capital letter) a follower of futurism, especially an artist or writer.
- gaff topsail — Also called fore-and-aft topsail. a jib-headed fore-and-aft sail set above a gaff.
- gaff-topsail — Also called fore-and-aft topsail. a jib-headed fore-and-aft sail set above a gaff.
- galeniferous — Of a mineral or deposit that contains galena.
- gillyflowers — Plural form of gillyflower.
- glandiferous — bearing nuts or acorns
- gloss finish — a reflective or shiny surface, usually on a photograph but also sometimes on metal, paper, paint, etc
- 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.
- guide fossil — index fossil.
- gulf of siam — an arm of the South China Sea between the Malay Peninsula and Indochina
- half section — a part that is cut off or separated.
- half serious — of, showing, or characterized by deep thought.
- half-section — a part that is cut off or separated.
- half-serious — of, showing, or characterized by deep thought.
- halls of ivy — an institution of higher learning; university or college; the academic world.
- hostile fire — an unintentional fire, from which any resulting loss can be claimed as an insurance liability (opposed to friendly fire).
- hydrosulfide — a compound containing the univalent group –HS.
- hydrosulfite — hyposulfite (def 1).
- inclusive of — including; taking into account
- index fossil — a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used especially in determining the age of related formations.
- infectiously — communicable by infection, as from one person to another or from one part of the body to another: infectious diseases.
- infelicitous — inapt, inappropriate, or awkward; malapropos: an infelicitous remark.
- infiltrators — Plural form of infiltrator.
- inflammasome — (biochemistry) A multi-protein complex that is responsible for inflammatory rheumatic diseases via activation of caspases.