| FELDSPATHOIDS | • feldspathoids n. Plural of feldspathoid. • FELDSPATHOID n. any mineral of a group related to feldspar, also FELSPATHOID, FOID. |
| FISSIPARITIES | • fissiparities n. Plural of fissiparity. • FISSIPARITY n. the state of being fissiparous. |
| FORTEPIANISTS | • fortepianists n. Plural of fortepianist. • FORTEPIANIST n. a player of the fortepiano. |
| FRESHMANSHIPS | • FRESHMANSHIP n. the state of being a freshman. |
| PAINFULNESSES | • painfulnesses n. Plural of painfulness. • PAINFULNESS n. the state of being painful. |
| PASSIONFLOWER | • passionflower n. Any of very many vines, in North America and elsewhere, of the genus Passiflora that bear edible fruit… • passionflower n. The flower of this plant. • Passionflower n. Alternative letter-case form of passionflower. |
| PRESANCTIFIES | • PRESANCTIFY v. to sanctify in advance. |
| PROFESSIONALS | • professionals n. Plural of professional. • PROFESSIONAL n. one that is professional. |
| PROFESSORIATE | • professoriate n. Professors considered as a group or body. • professoriate n. (Dated) The office of a professor. • PROFESSORIATE n. the body of college and university teachers at an institution or in society, also PROFESSORIAT. |
| PROFESSORIATS | • professoriats n. Plural of professoriat. • PROFESSORIAT n. the body of college and university teachers at an institution or in society, also PROFESSORIATE. |
| SHAPESHIFTERS | • shapeshifters n. Plural of shapeshifter. • shape-shifters n. Plural of shape-shifter. • SHAPESHIFTER n. (in folklore) a creature that has the ability to change its physical form at will. |
| SHAPESHIFTING | • shapeshifting v. Present participle of shapeshift. • shapeshifting n. A change in shape; a transformation. • SHAPESHIFTING n. (in folklore) the ability to change physical form at will. |
| SPAGHETTIFIES | • spaghettifies v. Third-person singular simple present indicative form of spaghettify. • SPAGHETTIFY v. to make into spaghetti, with particular reference to black holes. |
| STUPEFACIENTS | • stupefacients n. Plural of stupefacient. • STUPEFACIENT n. a narcotic, a stupefying drug. |
| STUPEFACTIONS | • stupefactions n. Plural of stupefaction. • STUPEFACTION n. the act of stupefying. |
| SUPERFAMILIES | • superfamilies n. Plural of superfamily. • SUPERFAMILY n. a category of biological classification ranking below an order and above a family. |
| SUPERSAFETIES | • SUPERSAFETY n. the state of being supersafe. |