| ASTROTOURISMS | • ASTROTOURISM n. tourism in space. |
| BREASTSUMMERS | • breastsummers n. Plural of breastsummer. • BREASTSUMMER n. a beam supporting the front of a building, also BRESSUMMER. |
| CHORUSMASTERS | • chorusmasters n. Plural of chorusmaster. • CHORUSMASTER n. the conductor of a choir. |
| MASTERSINGERS | • mastersingers n. Plural of mastersinger. • MASTERSINGER n. a Meistersinger. |
| MASTERSTROKES | • masterstrokes n. Plural of masterstroke. • master␣strokes n. Plural of master stroke. • MASTERSTROKE n. a masterly performance or move. |
| MISREPRESENTS | • misrepresents v. Third-person singular simple present indicative form of misrepresent. • MISREPRESENT v. to give a false or misleading representation of. |
| REASSORTMENTS | • reassortments n. Plural of reassortment. • REASSORTMENT n. the act of reassorting. |
| STERCORANISMS | • STERCORANISM n. formerly, a name for the belief that the sacramental bread is digested and evacuated like other food. |
| STEREOISOMERS | • stereoisomers n. Plural of stereoisomer. • STEREOISOMER n. any of a group of isomers in which atoms are linked in the same order but differ in their spatial arrangement. |
| SUPERSTARDOMS | • SUPERSTARDOM n. being a superstar. |
| SUPERSTRATUMS | • SUPERSTRATUM n. an overlying layer. |
| SURMISTRESSES | • SURMISTRESS n. a female surmaster, the second master or deputy head in a school. |
| TRANSFORMISMS | • transformisms n. Plural of transformism. • TRANSFORMISM n. the theory of the mutability of species. |
| TRANSFORMISTS | • transformists n. Plural of transformist. • TRANSFORMIST n. a proponent of transformism. |
| WHOREMISTRESS | • whoremistress n. (Derogatory) A woman who runs a brothel, or hires out prostitutes; a madam. • WHOREMISTRESS n. (archaic) a woman who runs a brothel. |