14-letter words containing o, i, l, f, r
- false relation — a harmonic clash that occurs when a note in one part sounds simultaneously with or immediately before or after its chromatically altered (sharpened or flattened) equivalent appearing in another part
- false scorpion — any small predatory arachnid of the order Pseudoscorpionida, which includes the book scorpion and is named from the claw-shaped palps, which are poison organs
- family romance — a type of fantasy in which a person maintains that he or she is not the child of his or her real parents but of parents of a higher social class
- family support — a means-tested allowance for families in need
- feather pillow — soft headrest stuffed with feathers
- federalisation — Alternative spelling of federalization.
- federalization — to bring under the control of a federal government: to federalize the National Guard.
- ferroelectrics — Plural form of ferroelectric.
- fertile period — the time during a woman's menstrual cycle at which she is most likely to become pregnant, or the equivalent time for an animal
- fertilizations — Plural form of fertilization.
- fibrocartilage — a type of cartilage having a large number of fibers.
- field mushroom — any of various fleshy fungi including the toadstools, puffballs, coral fungi, morels, etc.
- field of force — the region of space surrounding a body, such as a charged particle or a magnet, within which it can exert a force on another similar body not in contact with it
- field of honor — the scene of a battle or duel.
- figwort family — the plant family Scrophulariaceae, characterized by herbaceous plants and shrubs having alternate or opposite leaves, often showy two-lipped or irregular flowers, fruit in the form of a capsule or berry, and including the figwort, foxglove, Indian paintbrush, mullein, speedwell, and snapdragon.
- file separator — (character) (FS) ASCII character 28.
- film projector — an optical instrument in which a strip of film is wound past a lens at a fixed speed so that the frames can be viewed as a continuously moving sequence on a screen or wall
- finger trouble — trouble caused by operator error, such as striking the wrong key
- firth of clyde — an inlet of the Atlantic in SW Scotland. Length: 103 km (64 miles)
- firth-of-clyde — a river in S Scotland, flowing NW into the Firth of Clyde. 106 miles (170 km) long.
- flagelliferous — bearing a flagellum
- flagship store — A flagship store is the most important store in a chain, often with the largest volume of sales, or the most up-to-date formats or layouts
- flemish scroll — a scroll, as on a chair leg, having the form of two intersecting and oppositely curved C-scrolls.
- flight control — the direction of airplane movements, especially takeoffs and landings, by messages from the ground.
- flight officer — an officer of the U.S. Army Air Force in World War II, having a rank equivalent to that of a warrant officer junior grade.
- flight surgeon — a medical officer in the U.S. Air Force who is trained in aviation medicine.
- floating heart — any of certain aquatic plants belonging to the genus Nymphoides, of the gentian family, especially N. aquatica, having floating, more or less heart-shaped leaves and a cluster of small, white, five-petaled flowers.
- floating voter — those voters collectively who are not permanently attached to any political party.
- floor covering — any material used to cover the floor of a room, such as a carpet or tiles
- floor exercise — a competition in which each entrant performs a routine of acrobatic tumbling feats and balletic movements without any apparatus on a specifically designated floor space, usually 12 meters (39 feet) square and having a matlike covering.
- floor planning — a system of financing that permits a dealer to borrow money to buy goods, which become the security for the loan that is repaid when the merchandise is sold.
- floor polisher — an electrical appliance used for polishing floors
- floorcoverings — Plural form of floorcovering.
- floriculturist — the cultivation of flowers or flowering plants, especially for ornamental purposes.
- florida strait — a strait between Florida, Cuba, and the Bahamas, connecting the Gulf of Mexico and the Atlantic.
- florida-strait — a state in the SE United States between the Atlantic and the Gulf of Mexico. 58,560 sq. mi. (151,670 sq. km). Capital: Tallahassee. Abbreviation: FL (for use with zip code), Fla.
- florists' foam — a rigid, deformable, spongelike plastic used in floral arrangements to secure the stems of flowers.
- flowering crab — any of several species and varieties of crab apple trees with small fruits and abundant spring flowers ranging from white to reddish purple
- flowering flax — a plant, Linum grandiflorum, of northern Africa, having quickly fading, red or pink flowers.
- flowering moss — pyxie.
- fluoboric acid — a clear, colorless liquid, HBF 4 , that ionizes abundantly in solution, used chiefly in the synthesis of fluoborates.
- fluoridization — to treat, impregnate, or affect with a fluoride.
- fluorochemical — a chemical compound containing fluorine.
- flying colours — conspicuous success; triumph
- flying officer — an officer holding commissioned rank senior to a pilot officer but junior to a flight lieutenant in the British and certain other air forces
- folies bergere — a Parisian music hall founded in 1869 and noted for the lavish spectacle and mildly risqué content of its entertainments.
- food colouring — substances used to impart colour to food
- for all i care — I am completely indifferent
- forced landing — aircraft: emergency descent
- forcible entry — entry into a building by force, eg by forcing a lock