| ARCHPRIESTSHIPS | • ARCHPRIESTSHIP n. the office of archpriest. |
| BISPHOSPHONATES | • bisphosphonates n. Plural of bisphosphonate. • BISPHOSPHONATE n. any of a family of drugs primarily used to prevent and treat osteoporosis. |
| CRASHWORTHINESS | • crashworthiness n. The state or quality of being crashworthy. • CRASHWORTHINESS n. the state of being crashworthy. |
| HEADMASTERSHIPS | • headmasterships n. Plural of headmastership. • HEADMASTERSHIP n. the office of headmaster. |
| HYPERAESTHESIAS | • hyperaesthesias n. Plural of hyperaesthesia. • HYPERAESTHESIA n. excessive sensitivity, also HYPERESTHESIA. |
| ICHTHYOSAURUSES | • ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN. |
| NIGHTMARISHNESS | • nightmarishness n. The state or condition of being nightmarish. • NIGHTMARISH n. like a nightmare, also NIGHTMARY. |
| PHILOSOPHASTERS | • philosophasters n. Plural of philosophaster. • PHILOSOPHASTER n. an amateur or superficial philosopher. |
| PHOTOSYNTHESISE | • photosynthesise v. Alternative spelling of photosynthesize. • PHOTOSYNTHESISE v. to carry out photosynthesis. |
| PSYCHOHISTORIES | • psychohistories n. Plural of psychohistory. • PSYCHOHISTORY n. historical analysis or interpretation using psychological and psychoanalytic methods. |
| PSYCHOSYNTHESIS | • psychosynthesis n. A form of psychology based on the direct experience of the self. • PSYCHOSYNTHESIS n. a form of psychotherapy combining psychoanalytic techniques with meditation and exercise. |
| SCHOOLMASTERISH | • schoolmasterish adj. Resembling or characteristic of a schoolmaster. • SCHOOLMASTERISH adj. like a schoolmaster. |
| STADHOLDERSHIPS | • stadholderships n. Plural of stadholdership. • STADHOLDERSHIP n. the office of stadholder, a Dutch viceroy or provincial governor, also STADHOLDERATE, STADTHOLDERATE, STADTHOLDERSHIP. |
| THERMAESTHESIAS | • THERMAESTHESIA n. sensitivity to various degrees of heat and cold, also THERMESTHESIA. |
| UNHEALTHINESSES | • unhealthinesses n. Plural of unhealthiness. • UNHEALTHINESS n. the state of being unhealthy. |