| ARAEOSYSTYLES | • ARAEOSYSTYLE n. a building or colonnade alternately araeostyle and systyle, also AREOSYSTILE. |
| BLASTOMYCOSES | • blastomycoses n. Plural of blastomycosis. • BLASTOMYCOSIS n. any of several fungal infections. |
| EXTRASYSTOLES | • extrasystoles n. Plural of extrasystole. • EXTRASYSTOLE n. a premature beat of one of the chambers of the heart that leads to momentary arrhythmia. |
| FORESTAYSAILS | • forestaysails n. Plural of forestaysail. • FORESTAYSAIL n. the sail attached to a forestay. |
| NECESSITOUSLY | • necessitously adv. In a necessitous way. • NECESSITOUS adv. needful, in need. |
| POLYSYNTHESES | • polysyntheses n. Plural of polysynthesis. • POLYSYNTHESIS n. the state of being polysynthetic. |
| POLYSYNTHESIS | • polysynthesis n. The act or process of combining many separate elements into a whole. • polysynthesis n. (Linguistics) The formation of a word by the combination of several simple words; agglutination. • POLYSYNTHESIS n. the state of being polysynthetic. |
| PROSELYTISERS | • proselytisers n. Plural of proselytiser. • PROSELYTISER n. one who proselytises, also PROSELYTIZER. |
| SINISTRORSELY | • sinistrorsely adv. In a sinistrorse manner. • SINISTRORSE adv. rising spirally and turning from right to left. |
| SNOLLYGOSTERS | • snollygosters n. Plural of snollygoster. • SNOLLYGOSTER n. a shrewd unprincipled person, esp. a dishonest politician. |
| SPONDYLITISES | • SPONDYLITIS n. inflammation of the vertebra. |
| STREPTOLYSINS | • streptolysins n. Plural of streptolysin. • STREPTOLYSIN n. an antigenic hemolysin produced by streptococci. |
| SYNECOLOGISTS | • synecologists n. Plural of synecologist. • SYNECOLOGIST n. a specialist in synecology. |
| TROLLEYBUSSES | • trolleybusses n. Plural of trolleybus. • trolley␣busses n. Plural of trolley bus. • TROLLEYBUS n. a bus running on an overhead electric wire. |