| COPYLEFTS | • copylefts n. Plural of copyleft. • copylefts v. Third-person singular simple present indicative form of copyleft. • COPYLEFT v. to publish (intellectual property) under a license that allows free use and modification. |
| FELDSPATH | • feldspath n. Alternative form of feldspar. • FELDSPATH n. (obsolete) a common rock-forming mineral, also FELDSPAR, FELSPAR. |
| FISHPLATE | • fishplate n. (Rail transport) A metal bar that is bolted to the ends of two rails to join them together in a track. • fishplate v. (Transitive, rail transport) To connect (rails) together using a fishplate. • FISHPLATE n. an iron plate used to join railway lines. |
| FLAPPIEST | • flappiest adj. Superlative form of flappy: most flappy. • FLAPPY adj. flapping. |
| FLESHPOTS | • fleshpots n. Plural of fleshpot. • FLESHPOT n. a pot for cooking meat. |
| FLIPPIEST | • flippiest adj. Superlative form of flippy: most flippy. • FLIPPY adj. flaring at the bottom. |
| FLOPPIEST | • floppiest adj. Superlative form of floppy: most floppy. • FLOPPY adj. soft and flexible. |
| FLYPOSTER | • flyposter n. One who illegally posts flyers or similar material in public places. • flyposter n. A flyer, poster, etc. that is illegally posted in a public place. • fly-poster n. A poster, especially for advertisement purposes, put up illegally. |
| PANTOFLES | • pantofles n. Plural of pantofle. • PANTOFLE n. a slipper, an overshoe, also PANTABLE, PANTOFFLE, PANTOUFLE. |
| PETAFLOPS | • petaflops n. Plural of petaflop. • PETAFLOP n. a unit of processing speed equal to 2 to the power of 50 floating-point operations per second. |
| PLATEFULS | • platefuls n. Plural of plateful. • PLATEFUL n. the quantity a plate can hold. |
| PLATESFUL | • platesful n. Plural of plateful. • PLATEFUL n. the quantity a plate can hold. |
| PLUFFIEST | • PLUFFY adj. puffed up, puffy. |
| SPLAYFEET | • splayfeet n. Plural of splayfoot. • SPLAYFOOT n. a foot that is abnormally flattened and spread out. |
| SPRITEFUL | • spriteful adj. Obsolete spelling of sprightful. • SPRITEFUL adj. impish. |
| TERAFLOPS | • teraflops n. Plural of teraflop. • TERAFLOP n. a unit of processing speed equal to a trillion (thousand billion) floating-point operations per second. |
| UPLIFTERS | • uplifters n. Plural of uplifter. • UPLIFTER n. one who uplifts. |