| AQUAFORTISES | • AQUAFORTIS n. concentrated nitric acid, used for etching. |
| ASTROTURFERS | • astroturfers n. Plural of astroturfer. • ASTROTURFER n. one who engages in ASTROTURFING. |
| FLOURISHIEST | • FLOURISHY adj. full of flourishes. |
| FLUORESCENTS | • fluorescents n. Plural of fluorescent. • FLUORESCENT n. a substance showing fluorescence. |
| HOUSEFATHERS | • housefathers n. Plural of housefather. • HOUSEFATHER n. a man in charge of a dormitory, hall, or hostel. |
| INTERFUSIONS | • interfusions n. Plural of interfusion. • INTERFUSION n. the act of interfusing. |
| OVERFUSSIEST | • OVERFUSSY adj. too fussy. |
| PERFORATUSES | • PERFORATUS n. the short flexor of the toes or the superficial flexor of the finger. |
| 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. |
| PUSSYFOOTERS | • pussyfooters n. Plural of pussyfooter. • PUSSYFOOTER n. one who pussyfoots. |
| 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. |
| SPORTFULNESS | • sportfulness n. Playfulness. • SPORTFULNESS n. the state of being sportful. |
| 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. |
| STORMFULNESS | • stormfulness n. The quality of being stormful. • STORMFULNESS n. the state of being stormful, abounding with storms. |
| 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. |