| BLASTOPORS | • BLASTOPOR n. the opening of the archenteron in the gastrula that develops into the anus of some animals, also BLASTOPORE. |
| CORYLOPSES | • CORYLOPSIS n. any of various deciduous shrubs with yellow flowers. |
| CORYLOPSIS | • CORYLOPSIS n. any of various deciduous shrubs with yellow flowers. |
| ISOPROPYLS | • isopropyls n. Plural of isopropyl. • ISOPROPYL n. a radical derived from propane. |
| PISTOLEROS | • PISTOLERO n. one who uses a pistol, also PISTOLEER, PISTOLIER. |
| PRESCHOOLS | • preschools n. Plural of preschool. • preschools v. Third-person singular simple present indicative form of preschool. • PRESCHOOL n. a kindergarten or nursery school for children of preschool age. |
| PROCONSULS | • proconsuls n. Plural of proconsul. • PROCONSUL n. an officer who discharged the duties of a consul without being himself consul; a governor of, or a military commander in, a province. |
| PROLOGISES | • prologises v. Third-person singular simple present indicative form of prologise. • PROLOGISE v. to speak a prolog, also PROLOGIZE, PROLOGUISE, PROLOGUIZE. |
| PROLOGISTS | • prologists n. Plural of prologist. • PROLOGIST n. a writer of prologues. |
| PROLUSIONS | • prolusions n. Plural of prolusion. • PROLUSION n. preliminary performance, activity or display. |
| PROPOLISES | • PROPOLIS n. (Greek) a resinous substance used as a cement by bees. |
| PROPULSORS | • propulsors n. Plural of propulsor. • PROPULSOR n. something which propels. |
| SPOILSPORT | • spoilsport n. Someone who puts an end to others’ fun, especially harmless fun. • spoilsport adj. Like a spoilsport. • spoil-sport n. (Dated) Alternative form of spoilsport. |
| SPOLIATORS | • spoliators n. Plural of spoliator. • SPOLIATOR n. one who spoliates. |
| SPONSORIAL | • sponsorial adj. Pertaining to a sponsor. • SPONSORIAL adj. relating to a sponsor. |
| SPOROPHYLS | • sporophyls n. Plural of sporophyl. • SPOROPHYL n. a leaf that bears sporangia, also SPOROPHYLL. |
| SUPERCOOLS | • supercools v. Third-person singular simple present indicative form of supercool. • SUPERCOOL v. to cool a liquid below its normal freezing point. |