9-letter words containing f, i, s, o
- factorise — (mathematics): To create a list of factors.
- fagottist — a bassoonist
- fail-soft — pertaining to or noting facilities built into a system, as in an automobile or a computer, for continuing operations on an interim basis and probably with reduced efficiency, if parts of the system fail.
- fair do's — equal shares or treatment
- fair oaks — Also called Seven Pines. a locality in E Virginia, near Richmond: battle 1862.
- fais-dodo — a country dance party.
- falchions — Plural form of falchion.
- fashioned — Simple past tense and past participle of fashion.
- fashioner — a person who fashions, forms, or gives shape to anything.
- fatuitous — complacently stupid; foolish.
- favillous — (obsolete) Of or pertaining to ashes.
- favorites — a person or thing regarded with special favor or preference: That song is an old favorite of mine.
- feijoadas — Plural form of feijoada.
- felonious — Law. pertaining to, of the nature of, or involving a felony: felonious homicide; felonious intent.
- feracious — Producing in abundance; fertile, fruitful.
- ferocious — savagely fierce, as a wild beast, person, action, or aspect; violently cruel: a ferocious beating.
- festilogy — a treatise on the subject of church festivals
- fibrinous — the insoluble protein end product of blood coagulation, formed from fibrinogen by the action of thrombin in the presence of calcium ions.
- fibrously — In a fibrous manner.
- fidelismo — Castroism.
- filaceous — composed of threads
- filmgoers — Plural form of filmgoer.
- filoselle — Floss silk, or silk thread resembling this, used in embroidery.
- filovirus — any of several filamentous, single-stranded RNA viruses of the family Filoviridae, defined by their unique appearance and reproductive strategies, as the Ebola and Marburg viruses.
- fire boss — a person who inspects a mine for the presence of noxious gases, dangerous roofs, and other hazards.
- fire hose — a special heavy-duty hose for use in fighting destructive fires.
- firebombs — Plural form of firebomb.
- fireboxes — Plural form of firebox.
- firehorse — a horse used to pull a horse-drawn fire engine.
- firehouse — fire station.
- firelocks — Plural form of firelock.
- firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- firestorm — an atmospheric phenomenon, caused by a large fire, in which the rising column of air above the fire draws in strong winds often accompanied by rain.
- fireworks — Often, fireworks. a combustible or explosive device for producing a striking display of light or a loud noise, used for signaling or as part of a celebration.
- fireworms — Plural form of fireworm.
- first off — being before all others with respect to time, order, rank, importance, etc., used as the ordinal number of one: the first edition; the first vice president.
- firstborn — first in the order of birth; eldest.
- fish crow — a crow, Corvus ossifragus, of the Atlantic and Gulf coasts of North America, that feeds on fish, mollusks, etc.
- fish fork — a small fork having usually three tines, used for eating fish at table.
- fish hook — device: for catching fish
- fish pole — fishing pole.
- fish pond — small lake for keeping fish
- fish shop — a shop that sells fish; a fishmonger's
- fish-hook — a hook used in fishing.
- fish-pole — a long tapered flexible pole, often in jointed sections, for use with a fishing line and, usually, a reel
- fishbones — Plural form of fishbone.
- fishbowls — Plural form of fishbowl.
- fishhooks — a hook used in fishing.
- fishponds — Plural form of fishpond.
- fishpound — a submerged net used in commercial fishing for capturing fish.