| ABRUPTNESSES | • abruptnesses n. Plural of abruptness. • ABRUPTNESS n. the quality of being abrupt. |
| CAPTIOUSNESS | • captiousness n. The state of being captious. • captiousness n. Captious behaviour. • CAPTIOUSNESS n. the state of being captious. |
| PASTEURISERS | • pasteurisers n. Plural of pasteuriser. • PASTEURISER n. an apparatus for pasteurising, also PASTEURIZER. |
| PATULOUSNESS | • patulousness n. The quality of being patulous. • PATULOUSNESS n. the state of being patulous. |
| SOAPSUDSIEST | • SOAPSUDSY adj. like soapsuds. |
| SOUSAPHONIST | • sousaphonist n. Someone who plays the sousaphone. • SOUSAPHONIST n. one who plays the sousaphone. |
| SPECULATISTS | • speculatists n. Plural of speculatist. • SPECULATIST n. a speculative philosopher; a speculator. |
| STAUROSCOPES | • stauroscopes n. Plural of stauroscope. • STAUROSCOPE n. an instrument for studying the structure of crystals with polarised light. |
| STRATOPAUSES | • stratopauses n. Plural of stratopause. • STRATOPAUSE n. the transitional layer between the stratosphere and the mesosphere. |
| SUPPRESSANTS | • suppressants n. Plural of suppressant. • SUPPRESSANT n. a drug that tends to suppress or reduce in intensity rather than eliminate something. |
| SUPREMACISTS | • supremacists n. Plural of supremacist. • SUPREMACIST n. an advocate or adherent of group supremacy. |
| SUPREMATISMS | • SUPREMATISM n. an early 20th century art movement in Russia producing abstract works featuring flat geometric forms. |
| SUPREMATISTS | • suprematists n. Plural of suprematist. • SUPREMATIST n. a practitioner in suprematism. |
| SUSCEPTANCES | • susceptances n. Plural of susceptance. • SUSCEPTANCE n. the imaginary part of the admittance. |
| SUSPIRATIONS | • suspirations n. Plural of suspiration. • SUSPIRATION n. the act of sighing, or fetching a long and deep breath. |