| CLIFFSIDES | • cliffsides n. Plural of cliffside. • CLIFFSIDE n. the side of a cliff. |
| FALLFISHES | • fallfishes n. Plural of fallfish. • FALLFISH n. a freshwater fish of the United States. |
| FALSIFIERS | • falsifiers n. Plural of falsifier. • FALSIFIER n. one who falsifies. |
| FILEFISHES | • filefishes n. Plural of filefish. • FILEFISH n. a kind of fish with roughly granulated skin, which is sometimes used in place of sandpaper. |
| FITFULNESS | • fitfulness n. The quality of being fitful. • FITFULNESS n. the quality of being fitful. |
| FLATFISHES | • flatfishes n. Plural of flatfish. • FLATFISH n. a marine fish that habitually lies on its side. |
| FLUFFINESS | • fluffiness n. The characteristic or quality of being fluffy. • FLUFFINESS n. the state of being fluffy. |
| FLYFISHERS | • flyfishers n. Plural of flyfisher. • FLYFISHER n. an angler who fishes with a fly. |
| FOOLFISHES | • foolfishes n. Plural of foolfish. • FOOLFISH n. a marine fish, the orange filefish. |
| RAFFLESIAS | • rafflesias n. Plural of rafflesia. • RAFFLESIA n. any of various stemless leafless parasitic plants, native to Java and Sumatra. |
| SIFFLEUSES | • SIFFLEUSE n. (French) a (female) professional whistler. |
| SNIFFLIEST | • sniffliest adj. Superlative form of sniffly: most sniffly. • SNIFFLY adj. having a sniffle. |
| SNUFFLIEST | • snuffliest adj. Superlative form of snuffly: most snuffly. • SNUFFLY adj. tending to snuffle. |
| TARIFFLESS | • tariffless adj. Without a tariff. • TARIFFLESS adj. without a tariff. |
| WOLFFISHES | • wolffishes n. Plural of wolffish. • wolf-fishes n. Plural of wolf-fish. • wolf␣fishes n. Plural of wolf fish. |