| EMS | • ems n. Plural of em. • Ems prop.n. A river in northwestern Germany. • Ems prop.n. A diminutive of the female given names Emma or Emily. |
| ISM | • ism n. An ideology, system of thought, or practice that can be described by a word ending in -ism. • ism n. (Specifically) A form of discrimination, such as racism or sexism. • ISM prop.n. Initialism of Institute for Supply Management. |
| MAS | • mas n. A country cottage or farmstead in southern France. • mas n. Plural of ma. • mas n. (Caribbean) A type of traveling dramatic performance conducted as part of a parade celebrating Carnival… |
| MES | • mes n. Plural of me. • MEs n. Plural of ME. • MES n. (Astronautics) Initialism of main engine start. |
| MIS | • mis sym. (International standards) ISO 639-2 & ISO 639-3 language code for unencoded languages. • Mis prop.n. A surname. • MIs n. Plural of MI. |
| MOS | • mos n. (Rare) singular of mores (“moral norms or customs”). • mos n. Plural of mo (“month; molester”). • mos sym. (International standards) ISO 639-2 & ISO 639-3 language code for Mooré. |
| MUS | • mus n. Plural of mu. • mus sym. (International standards) ISO 639-2 & ISO 639-3 language code for Muscogee. • Mus n. Plural of Mu. |
| OMS | • oms n. Plural of om. • oms v. Third-person singular simple present indicative form of om. • OMs n. Plural of OM. |
| SAM | • sam n. Surface-to-air missile. • sam v. (Transitive, UK dialectal) To assemble. • sam v. (Transitive, UK dialectal, of persons) To bring together; join (In marriage, friendship, love, etc.). |
| SIM | • sim n. (Informal) A simulation or simulator. • Sim prop.n. A male given name, diminutive of Simon and Simeon. • Sim prop.n. A Scottish surname transferred from the given name derived from the given name. |
| SMA | • sma phr. Initialism of suck my ass. • sma sym. (International standards) ISO 639-2 & ISO 639-3 language code for Southern Sámi. • SMA n. (Military, US) Initialism of Sergeant Major of the Army. |
| SOM | • som n. The currency of Uzbekistan. • som n. The currency of Kyrgyzstan. • som pron. Obsolete spelling of some. |
| SUM | • sum n. A quantity obtained by addition or aggregation. • sum n. (Often plural) An arithmetic computation, especially one posed to a student as an exercise (not necessarily… • sum n. A quantity of money. |
| UMS | • ums n. Plural of um. • ums v. Third-person singular simple present indicative form of um. • UMs n. Plural of UM. |