| ANKYLOSAURUSES | • ankylosauruses n. Plural of ankylosaurus. • ANKYLOSAURUS n. a kind of dinosaur with a club tail, also ANKYLOSAUR. |
| IMMUNOASSAYIST | • IMMUNOASSAYIST n. one who carries out immunoassays. |
| 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. |
| PSYCHASTHENIAS | • psychasthenias n. Plural of psychasthenia. • PSYCHASTHENIA n. an incapacity to resolve doubts/uncertainties or to resist obsessions/compulsions that one knows are irrational. |
| 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. |
| PSYCHOANALYSIS | • psychoanalysis n. A family of theories and methods within the field of psychotherapy that work to find connections among… • PSYCHOANALYSIS n. the treatment of neurotic persons by the analysis of their neuroses and revelation of their origins. |
| PSYCHOANALYSTS | • psychoanalysts n. Plural of psychoanalyst. • PSYCHOANALYST n. a practitioner of psychoanalysis. |
| SYNAPOSEMATISM | • SYNAPOSEMATISM n. warning coloration common to many species in region. |
| SYSTEMATICIANS | • systematicians n. Plural of systematician. • SYSTEMATICIAN n. one who studies systems. |
| YACHTSMANSHIPS | • yachtsmanships n. Plural of yachtsmanship. • YACHTSMANSHIP n. the art of sailing a yacht. |