| DISTELFINKS | • distelfinks n. Plural of distelfink. • DISTELFINK n. (Dutch) a traditional Pennsylvanian Dutch design motif in the form of a stylised bird. |
| FACSIMILIST | • facsimilist n. One who produces facsimiles. • FACSIMILIST n. one who makes facsimiles. |
| FERTILISERS | • fertilisers n. Plural of fertiliser. • FERTILISER n. a person or thing that fertilizes, also FERTILIZER. |
| FESTILOGIES | • festilogies n. Plural of festilogy. • FESTILOGY n. a treatise on ecclesiastical festivals, also FESTOLOGY. |
| FIELDSTRIPS | • fieldstrips v. Third-person singular simple present indicative form of fieldstrip. • field␣strips v. Third-person singular simple present indicative form of field strip. • FIELDSTRIP v. to take apart a weapon for routine cleaning etc. |
| FILIBUSTERS | • filibusters n. Plural of filibuster. • filibusters v. Third-person singular simple present indicative form of filibuster. • FILIBUSTER v. (Dutch) to obstructs legislation by making long speeches. |
| FISSILITIES | • fissilities n. Plural of fissility. • FISSILITY n. the ability to be split. |
| FLIGHTINESS | • flightiness n. The quality of being flighty. • FLIGHTINESS n. the state of being flighty. |
| FLORISTRIES | • FLORISTRY n. the art of cultivating and selling flowers. |
| FLUVIALISTS | • fluvialists n. Plural of fluvialist. • FLUVIALIST n. one stressing the role of rivers in explanation. |
| FLUXIONISTS | • fluxionists n. Plural of fluxionist. • FLUXIONIST n. one skilled in fluxions. |
| PILOTFISHES | • pilotfishes n. Plural of pilotfish. • pilot␣fishes n. Plural of pilot fish. • PILOTFISH n. a tropical fish. |
| PITIFULNESS | • pitifulness n. The state or quality of being pitiful. • PITIFULNESS n. the state of being pitiful. |
| SATISFIABLE | • satisfiable adj. Capable of being satisfied. • SATISFIABLE adj. capable of being satisfied. |
| SMIFLIGATES | • SMIFLIGATE v. Charles Dickens's nonce word for to spiflicate. |
| SPIFLICATES | • spiflicates v. Third-person singular simple present indicative form of spiflicate. • SPIFLICATE v. to overcome or dispose of by violence, also SPIFFLICATE. |
| STULTIFIERS | • stultifiers n. Plural of stultifier. • STULTIFIER n. one who stultifies. |
| TRISULFIDES | • trisulfides n. Plural of trisulfide. • TRISULFIDE n. a sulphide with three atoms of sulphur to the molecule, also TRISULPHIDE. |