| COMBURGESS | • comburgess n. A fellow burgess. • COMBURGESS n. a fellow-burgess. |
| COMBUSTORS | • combustors n. Plural of combustor. • COMBUSTOR n. the system in a jet engine by which combustion takes place. |
| LABOURISMS | • labourisms n. Plural of labourism. • LABOURISM n. a support for workers' rights, also LABORISM. |
| LAMBRUSCOS | • Lambruscos n. Plural of Lambrusco. • LAMBRUSCO n. (Italian) an Italian sparkling wine. |
| MICROBUSES | • microbuses n. Plural of microbus. • MICROBUS n. a small bus. |
| MISLABOURS | • mislabours v. Third-person singular simple present indicative form of mislabour. • MISLABOUR v. to labour wrongly, also MISLABOR. |
| MOSSBUNKER | • mossbunker n. Alternative form of mossbanker. • MOSSBUNKER n. (Dutch) an oily fish of the herring family, aka menhaden. |
| MOTORBUSES | • motorbuses n. Plural of motorbus. • MOTORBUS n. a bus driven by an internal-combustion engine. |
| MOUSEBIRDS | • mousebirds n. Plural of mousebird. • MOUSEBIRD n. another name for the coly, an African bird. |
| SIMAROUBAS | • simaroubas n. Plural of simarouba. • SIMAROUBA n. a tropical American tree, also SIMARUBA. |
| SLUMBEROUS | • slumberous adj. Sleepy, drowsy. • slumberous adj. Sleep-inducing. • SLUMBEROUS adj. inviting or causing slumber, also SLUMBERY, SLUMBROUS, SLUMBRY. |
| STROMBUSES | • strombuses n. Plural of strombus. • STROMBUS n. (Greek) a very large gastropod related to the whelk, also STROMB. |
| SUBMERSION | • submersion n. The act of submerging, or the state of being submerged; immersion. • submersion n. (Mathematics) A differentiable map whose differential is everywhere surjective. • SUBMERSION n. the act of submerging. |
| SUBMICRONS | • submicrons n. Plural of submicron. • SUBMICRON n. a particle visible by ultramicroscope but not by the ordinary microscope. |
| SUBNORMALS | • subnormals n. Plural of subnormal. • SUBNORMAL n. one who is subnormal. |
| SUPERBOMBS | • superbombs n. Plural of superbomb. • SUPERBOMB n. a very big bomb. |
| UNBOSOMERS | • unbosomers n. Plural of unbosomer. • UNBOSOMER n. one who unbosoms, or discloses. |