| FISSIPARISM | • fissiparism n. (Biology) reproduction by spontaneous fission. • FISSIPARISM n. the state of being fissiparous. |
| MASSPRIESTS | • mass␣priests n. Plural of mass priest. • MASSPRIEST n. a priest retained in chantries to say masses for the dead. |
| MASTERSHIPS | • masterships n. Plural of mastership. • MASTERSHIP n. the state or office of a master. |
| PARASITISMS | • parasitisms n. Plural of parasitism. • PARASITISM n. the behavior of a parasite. |
| PASSIMETERS | • passimeters n. Plural of passimeter. • PASSIMETER n. a machine for issuing automatic tickets. |
| PASTEURISMS | • PASTEURISM n. a method of treatment, devised by Pasteur, for preventing certain diseases, as hydrophobia, by successive inoculations with an attenuated virus of gradually increasing strength. |
| PHARISAISMS | • pharisaisms n. Plural of pharisaism. • PHARISAISM n. the notions, doctrines, and conduct of the Pharisees, as a sect. |
| PLUMASSIERS | • plumassiers n. Plural of plumassier. • PLUMASSIER n. (French) a worker in feathers; a feather-seller. |
| POSTMASTERS | • postmasters n. Plural of postmaster. • POSTMASTER n. one who has charge of a station for the accommodation of travelers; one who supplies post horses. |
| PROSAICISMS | • prosaicisms n. Plural of prosaicism. • PROSAICISM n. the quality of being prosaic. |
| PROSTATISMS | • prostatisms n. Plural of prostatism. • PROSTATISM n. an illness or disorder associated with enlargement of the prostate. |
| SARCOPLASMS | • sarcoplasms n. Plural of sarcoplasm. • SARCOPLASM n. the protoplasmic substance separating the fibrils in muscle fibres. |
| SEPARATISMS | • separatisms n. Plural of separatism. • SEPARATISM n. a belief in, movement for, or state of separation, also SEPARATIONISM. |
| SHIPMASTERS | • shipmasters n. Plural of shipmaster. • SHIPMASTER n. the master or commander of a ship other than a warship. |
| SLIPSTREAMS | • slipstreams n. Plural of slipstream. • slipstreams v. Third-person singular simple present indicative form of slipstream. • SLIPSTREAM v. to drive in the slipstream of a vehicle. |
| SPINMASTERS | • spinmasters n. Plural of spinmaster. |