| ANKYLOSAURUSES | • ankylosauruses n. Plural of ankylosaurus. • ANKYLOSAURUS n. a kind of dinosaur with a club tail, also ANKYLOSAUR. |
| CYSTOLITHIASES | • CYSTOLITHIASIS n. the presence of calculi (stones) in the bladder. |
| HETEROSTYLISMS | • HETEROSTYLISM n. the state of having styles of different lengths in different flowers, also HETEROSTYLY. |
| PERISSODACTYLS | • perissodactyls n. Plural of perissodactyl. • PERISSODACTYL n. an animal of the Perissodactyla, a division of ungulates with an odd number of toes, including the horse, tapir and rhinoceros, also PERISSODACTYLE. |
| PHOSPHOROLYSES | • phosphorolyses n. Plural of phosphorolysis. • PHOSPHOROLYSIS n. a reaction analogous to hydrolysis involving phosphoric acid. |
| PHOSPHORYLASES | • phosphorylases n. Plural of phosphorylase. • PHOSPHORYLASE n. any of the enzymes that catalyze phosphorolysis with the formation of organic phosphates. |
| POLYMYOSITISES | • POLYMYOSITIS n. inflammation of several muscles at the same time. |
| POLYSYNTHESISM | • polysynthesism n. The use of polysynthetic grammar. • POLYSYNTHESISM n. the state of being polysynthetic. |
| PSEPHOANALYSES | • PSEPHOANALYSIS n. the sociological and statistical study of election results and trends. |
| PSEPHOANALYSIS | • PSEPHOANALYSIS n. the sociological and statistical study of election results and trends. |
| PSYCHOANALYSES | • psychoanalyses v. Third-person singular simple present indicative form of psychoanalyse. • psychoanalyses n. Plural of psychoanalysis. • PSYCHOANALYSE v. to subject to psychoanalysis, also PSYCHOANALYZE. |
| QUESTIONLESSLY | • questionlessly adv. In a questionless manner; assuredly. • QUESTIONLESS adv. unquestioning; beyond question or doubt. |
| SUCCESSIONALLY | • successionally adv. In terms of, or by means of, succession. • SUCCESSIONAL adv. relating to succession. |
| SUPERLOBBYISTS | • superlobbyists n. Plural of superlobbyist. • SUPERLOBBYIST n. an exceptionally effective lobbyist. |
| SUPERLOYALISTS | • superloyalists n. Plural of superloyalist. • SUPERLOYALIST n. an extreme loyalist. |
| SYMBOLICALNESS | • symbolicalness n. The quality of being symbolical. • SYMBOLICALNESS n. the state of being symbolical. |
| SYNCHROFLASHES | • SYNCHROFLASH n. a mechanism which synchronizes the opening of a camera shutter with the peak of brilliance of a flash bulb. |
| YOUTHFULNESSES | • youthfulnesses n. Plural of youthfulness. • YOUTHFULNESS n. the state of being youthful. |