| EUMERISMS | • EUMERISM n. a biologic aggregation of similar parts. |
| HUMSTRUMS | • humstrums n. Plural of humstrum. • HUMSTRUM n. a hurdy-gurdy. |
| MASURIUMS | • MASURIUM n. a name proposed for element number 43, now called technetium. |
| MUSHROOMS | • mushrooms n. Plural of mushroom. • mushrooms v. Third-person singular simple present indicative form of mushroom. • MUSHROOM v. to grow or spread rapidly. |
| RESUMMONS | • resummons v. Third-person singular simple present indicative form of resummon. • resummons n. A second or subsequent summons. • RESUMMON v. to summon again. |
| RUMMINESS | • rumminess n. (UK, colloquial, dated) The quality of being rummy, or odd. • RUMMINESS n. the state of being rummy. |
| RUMMISHES | • RUMMISH v. (Scots) to roar or protest. |
| SAMARIUMS | • SAMARIUM n. a metallic element. |
| SCRUMMIES | • SCRUMMIE n. (slang) a rugby scrum half. |
| STRUMMELS | • STRUMMEL n. (obsolete) a straw; hence, hair, also STRAMMEL. |
| STRUMMERS | • strummers n. Plural of strummer. • STRUMMER n. one who strums. |
| SUMMARIES | • summaries n. Plural of summary. • SUMMARY n. a condensation of the substance of a larger work. |
| SUMMARISE | • summarise v. (British spelling) Alternative form of summarize. • SUMMARISE v. to make a summary of, also SUMMARIZE. |
| SUMMARIST | • summarist n. One who summarizes. • SUMMARIST n. one who summarized. |
| SUMMERSET | • summerset n. Archaic spelling of somersault. • summerset v. Archaic spelling of somersault. • SUMMERSET n. a leap in which a person turns his heels over his head and lights upon his feet. |
| SUMMONERS | • summoners n. Plural of summoner. • SUMMONER n. one who summons. |
| SUPERMOMS | • supermoms n. Plural of supermom. • SUPERMOM n. a superior mother. |
| SUPREMUMS | • SUPREMUM n. in maths, a maximum bound. |