| FABULOSITIES | • fabulosities n. Plural of fabulosity. • FABULOSITY n. fabulousness. |
| FALDISTORIES | • faldistories n. Plural of faldistory. • FALDISTORY n. (obsolete) the throne or seat of a bishop within the chancel. |
| FASTIDIOUSLY | • fastidiously adv. In a fastidious manner. • FASTIDIOUS adv. showing a meticulous or demanding attitude. |
| FELSPATHOIDS | • felspathoids n. Plural of felspathoid. • FELSPATHOID n. any mineral of a group related to feldspar, also FELDSPATHOID, FOID. |
| FISSIROSTRAL | • fissirostral adj. Having the bill cleft beyond the horny part, as in the case of swallows and goatsuckers. • FISSIROSTRAL adj. having a divided beak. |
| FLUSTRATIONS | • FLUSTRATION n. (obsolete) flustering. |
| FONTINALISES | • FONTINALIS n. a moss of the Fontinalis genus of aquatic mosses. |
| FOOTBALLISTS | • footballists n. Plural of footballist. • FOOTBALLIST n. one who plays football, also FOOTBALLER. |
| FORESTAYSAIL | • forestaysail n. (Nautical) A triangular sail attached to the forestay. • FORESTAYSAIL n. the sail attached to a forestay. |
| FOUNTAINLESS | • fountainless adj. Without fountains. • FOUNTAINLESS adj. without a fountain. |
| FUSILLATIONS | • fusillations n. Plural of fusillation. • FUSILLATION n. (obsolete) death by shooting. |
| INSUFFLATORS | • insufflators n. Plural of insufflator. • INSUFFLATOR n. one who insufflates. |
| SALUTIFEROUS | • salutiferous adj. (Now rare) Conducive to good health; healthy. • salutiferous adj. Conducive to safety or salvation. • SALUTIFEROUS adj. conducive to health or wellbeing. |
| SATINFLOWERS | • satinflowers n. Plural of satinflower. • SATINFLOWER n. another name for the greater stitchwort. |
| STAGFLATIONS | • stagflations n. Plural of stagflation. • STAGFLATION n. persistent inflation combined with stagnant consumer demand and relatively high unemployment. |
| SULFONATIONS | • sulfonations n. Plural of sulfonation. • SULFONATION n. the act of sulfonating. |
| SULFURATIONS | • sulfurations n. Plural of sulfuration. • SULFURATION n. the process of treating with sulfur, also SULPHURATION. |
| THIOSULFATES | • thiosulfates n. Plural of thiosulfate. • THIOSULFATE n. any salt of thiosulphuric acid, also THIOSULPHATE. |