| COMPLETISTS | • completists n. Plural of completist. • COMPLETIST n. a person who wants all of something (esp. a collection of items). |
| MOTORSPORTS | • motorsports n. Plural of motorsport. |
| MULTISPORTS | • multisports adj. Of or pertaining to multiple sports. |
| PATRIOTISMS | • patriotisms n. Plural of patriotism. • PATRIOTISM n. love for or devotion to one's country. |
| PENTSTEMONS | • pentstemons n. Plural of pentstemon. • PENTSTEMON n. a genus of showy flowers, also PENSTEMON. |
| PHOTOSYSTEM | • photosystem n. (Biochemistry) Either of two biochemical systems, active in chloroplasts, that are part of photosynthesis. • PHOTOSYSTEM n. either of two photochemical reaction centers consisting chiefly of photosynthetic pigments complexed with protein and occurring in chloroplasts. |
| POSTMASTERS | • postmasters n. Plural of postmaster. • POSTMASTER n. one who has charge of a station for the accommodation of travelers; one who supplies post horses. |
| POSTMORTEMS | • postmortems n. Plural of postmortem. • post-mortems n. Plural of post-mortem. • post␣mortems n. Plural of post mortem. |
| PROSTATISMS | • prostatisms n. Plural of prostatism. • PROSTATISM n. an illness or disorder associated with enlargement of the prostate. |
| PROTOSTOMES | • protostomes n. Plural of protostome. • PROTOSTOME n. a major group of bilateral metazoan animals, that includes mollusks and annelids. |
| SMOOTHPATES | • SMOOTHPATE n. (archaic) a bald person. |
| SOMATOTYPES | • somatotypes n. Plural of somatotype. • SOMATOTYPE v. to place with regard to somatotype. |
| STEPMOTHERS | • stepmothers n. Plural of stepmother. • step-mothers n. Plural of step-mother. • STEPMOTHER n. the wife of one's father when distinct from one's natural or legal mother. |
| STOMATOPODS | • stomatopods n. Plural of stomatopod. • STOMATOPOD n. one of the Stomatopoda, marine crustaceans, including the squilla. |
| SUMPTUOSITY | • sumptuosity n. Expensiveness; costliness; sumptuousness. • SUMPTUOSITY n. the quality of being sumptuous. |
| TEMPESTUOUS | • tempestuous adj. Of, or resembling, a tempest; stormy, tumultuous. • TEMPESTUOUS adj. of or like a tempest. |
| TOPONYMISTS | • toponymists n. Plural of toponymist. • TOPONYMIST n. one who studies toponymy, the study of place-names. |