12-letter words containing a, s, t, i, f
- fornications — Plural form of fornication.
- fornicatress — (obsolete) A woman guilty of fornication.
- fort madison — a city in SE Iowa, on the Mississippi.
- fort pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.
- fortepianist — the player of a fortepiano
- foul-tasting — having a very unpleasant taste
- fracastorius — a walled plain in the fourth quadrant of the face of the moon: about 60 miles (97 km) in diameter.
- francescatti — Zino [zee-noh] /ˈzi noʊ/ (Show IPA), 1905–1991, French violinist.
- frankenstein — a person who creates a monster or a destructive agency that cannot be controlled or that brings about the creator's ruin.
- fraternalism — of or befitting a brother or brothers; brotherly.
- fraternising — to associate in a fraternal or friendly way.
- fraternities — Plural form of fraternity.
- free skating — a freestyle competition with no required elements, in which skaters perform an original program of jumps, spins, sequences, etc., to music of their choice.
- freestanding — (of sculpture or architectural elements) unattached to a supporting unit or background; standing alone.
- 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.
- frigatebirds — Plural form of frigatebird.
- fritillaries — Plural form of fritillary.
- frontiersman — a person, especially a man, who lives on the frontier, especially in sparsely settled regions.
- 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).
- fruit basket — a basket containing a variety of fruits sent as a gift
- frustrations — Plural form of frustration.
- frying steak — a steak that is cooked by frying
- fujita scale — a scale for expressing the intensity of a tornado, ranging from F0 (light damage) to F5 (incredible damage)
- fulminations — Plural form of fulmination.
- funambulists — Plural form of funambulist.
- 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.
- gas fittings — pipes, tubes, brackets, etc, used in the supply of gas to a building
- gasification — Action of gasifying.
- gemeinschaft — an association of individuals having sentiments, tastes, and attitudes in common; fellowship.
- half section — a part that is cut off or separated.
- half-section — a part that is cut off or separated.
- ignis fatuus — Also called friar's lantern, will-o'-the-wisp. a flitting phosphorescent light seen at night, chiefly over marshy ground, and believed to be due to spontaneous combustion of gas from decomposed organic matter.
- imperforates — Plural form of imperforate.
- infant class — (in England and Wales) a class at infant school for young schoolchildren between the ages of 5 and 7
- infanticides — Plural form of infanticide.
- infatuations — Plural form of infatuation.
- infestations — Plural form of infestation.
- infiltrators — Plural form of infiltrator.
- infix syntax — infix notation
- inflationism — the policy or practice of inflation through expansion of currency or bank deposits.
- inflationist — an advocate of inflation through expansion of currency or bank deposits.
- influentials — Plural form of influential.
- informations — (legal) Plural form of information.
- insufflation — to blow or breathe (something) in.
- iron sulfate — ferrous sulfate.
- isapi filter — (web) A replaceable DLL which the server calls whenever there is an HTTP request. When the filter is first loaded, it communicates to the server what sort of notifications will be accepted. After that, whenever a selected event occurs, the filter is called to process the event. Example applications of ISAPI filters include custom authentication schemes, compression, encryption, logging, traffic analysis or other request analyses.
- lantern fish — any of several small, deep-sea fishes of the family Myctophidae, having rows of luminous organs along each side, certain species of which migrate to the surface at night.
- laticiferous — bearing or containing latex.
- latifundista — the owner of a latifundio in Latin America or Spain.