| BACKSPEIRS | • BACKSPEIR v. (Scots) to cross-question, also BACKSPEER. |
| BEDSPRINGS | • bedsprings n. Plural of bedspring. • BEDSPRING n. the spring of a bed. |
| BIOSPHERES | • biospheres n. Plural of biosphere. • BIOSPHERE n. the plant and animal life on the earth. |
| BREASTPINS | • breastpins n. Plural of breastpin. • BREASTPIN n. an ornamental pin for the breast. |
| BUPRESTIDS | • buprestids n. Plural of buprestid. • BUPRESTID n. a kind of wood-boring beetle. |
| PARABIOSES | • parabioses n. Plural of parabiosis. • PARABIOSIS n. the fusion of two organisms, like Siamese twins or animals joined for research. |
| PERIBLASTS | • periblasts n. Plural of periblast. • PERIBLAST n. in meroblastic eggs, the margin of the blastoderm merging with the surrounding yolk. |
| PRESBYTISM | • presbytism n. Presbyopia. • PRESBYTISM n. presbyopia. |
| PRESCRIBES | • prescribes v. Third-person singular simple present indicative form of prescribe. • PRESCRIBE v. to lay down a rule or direction. |
| PROSCRIBES | • proscribes v. Third-person singular simple present indicative form of proscribe. • PROSCRIBE v. to forbid, esp. by law. |
| PUBLISHERS | • publishers n. Plural of publisher. • PUBLISHER n. one who publishes. |
| REBAPTISES | • rebaptises v. Third-person singular simple present indicative form of rebaptise. • REBAPTISE v. to baptize again or a second time, also REBAPTIZE. |
| REBAPTISMS | • rebaptisms n. Plural of rebaptism. • REBAPTISM n. a second baptism. |
| SPIDERWEBS | • spiderwebs n. Plural of spiderweb. • spider-webs n. Plural of spider-web. • spider␣webs n. Plural of spider web. |
| SPORTBIKES | • sportbikes n. Plural of sportbike. • sport␣bikes n. Plural of sport bike. • SPORTBIKE n. a kind of high-speed, high-performance motorcycle. |
| STEPBAIRNS | • stepbairns n. Plural of stepbairn. • STEPBAIRN n. (Scots) a stepchild. |
| SUBPERIODS | • subperiods n. Plural of subperiod. • SUBPERIOD n. part of a period. |
| SUPERBIKES | • superbikes n. Plural of superbike. • SUPERBIKE n. a high-powered motorbike. |