| COSMOSPHERES | • cosmospheres n. Plural of cosmosphere. • COSMOSPHERE n. an apparatus for showing the position of the earth at any given time with reference to the fixed stars. |
| CROSSMATCHES | • crossmatches v. Third-person singular simple present indicative form of crossmatch. |
| HELMSPERSONS | • helmspersons n. Plural of helmsperson. |
| HOUSEMASTERS | • housemasters n. Plural of housemaster. • house␣masters n. Plural of house master. • HOUSEMASTER n. a master in charge of a house in a boy's boarding school. |
| HUMOROUSNESS | • humorousness n. (Uncountable) The state or quality of being humorous. • humorousness n. (Countable) The result or product of being humorous. • HUMOROUSNESS n. the state of being humorous. |
| MARSHLOCKSES | • MARSHLOCKS n. a marsh-growing species of cinquefoil. |
| SCHUSSBOOMER | • schussboomer n. (Skiing) A fast downhill skier. • SCHUSSBOOMER n. a very proficient schusser. |
| SCRIMSHONERS | • SCRIMSHONER n. one who makes scrimshaw carvings. |
| SEISMOGRAPHS | • seismographs n. Plural of seismograph. • SEISMOGRAPH n. an instrument for recording earthquakes. |
| SEMICHORUSES | • semichoruses n. Plural of semichorus. • SEMICHORUS n. half, or part of, a chorus; a passage sung by it. |
| SMOTHERINESS | • smotheriness n. The quality or state of being smothery. • SMOTHERINESS n. the state of being smothery, tending to smother. |
| SOUTHERNISMS | • southernisms n. Plural of southernism. • SOUTHERNISM n. a southern expression. |
| SUMMERHOUSES | • summerhouses n. Plural of summerhouse. • summer-houses n. Plural of summer-house. • summer␣houses n. Plural of summer house. |
| TSCHERNOSEMS | • tschernosems n. Plural of tschernosem. • TSCHERNOSEM n. (Russian) a very fertile soil of subhumid steppe, also CHERNOZEM. |