| AQUAFORTISES | • AQUAFORTIS n. concentrated nitric acid, used for etching. |
| ASSUEFACTION | • assuefaction n. (Obsolete) habituation. • ASSUEFACTION n. (obsolete) habituation. |
| FABULOSITIES | • fabulosities n. Plural of fabulosity. • FABULOSITY n. fabulousness. |
| FACTIOUSNESS | • factiousness n. The state of being factious. • FACTIOUSNESS n. the state of being factious. |
| FLOURISHIEST | • FLOURISHY adj. full of flourishes. |
| FOUNTAINLESS | • fountainless adj. Without fountains. • FOUNTAINLESS adj. without a fountain. |
| FUNCTIONLESS | • functionless adj. Lacking a function. • FUNCTIONLESS adj. without function. |
| HOUSEWIFIEST | • HOUSEWIFEY adj. like a housewife, also HOUSEWIFELY. |
| INTERFUSIONS | • interfusions n. Plural of interfusion. • INTERFUSION n. the act of interfusing. |
| MUTTONFISHES | • muttonfishes n. Plural of muttonfish. • MUTTONFISH n. a common food fish of the Western Atlantic. |
| OVERFUSSIEST | • OVERFUSSY adj. too fussy. |
| PERFUSIONIST | • perfusionist n. A trained clinician who operates the heart-lung machine during cardiac and other surgeries. • PERFUSIONIST n. the member of a surgical team administering continuous blood transfusion. |
| PYROSULFITES | • pyrosulfites n. Plural of pyrosulfite. • PYROSULFITE n. as in sodium pyrosulfite, an inorganic compound used as a preservative, antioxidant and disinfectant. |
| SALUTIFEROUS | • salutiferous adj. (Now rare) Conducive to good health; healthy. • salutiferous adj. Conducive to safety or salvation. • SALUTIFEROUS adj. conducive to health or wellbeing. |
| STANNIFEROUS | • stanniferous adj. Containing or producing the metal tin. • STANNIFEROUS adj. bearing tin. |
| STELLIFEROUS | • stelliferous adj. Filled with stars; starry. • STELLIFEROUS adj. having many stars. |
| SUFFRUTICOSE | • suffruticose adj. (Botany) Having a woody base, but shrubby higher up. • SUFFRUTICOSE adj. of a perennial plant, having a woody base, but remaining herbaceous in upper part. |
| SUPERPROFITS | • superprofits n. Plural of superprofit. • SUPERPROFIT n. an exceptional profit. |
| THIOSULFATES | • thiosulfates n. Plural of thiosulfate. • THIOSULFATE n. any salt of thiosulphuric acid, also THIOSULPHATE. |