| BASTARDISMS | • BASTARDISM n. the state of being a bastard; bastardy. |
| 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. |
| MISANDRISTS | • misandrists n. Plural of misandrist. • MISANDRIST n. a hater of men. |
| MUTESSARIFS | • mutessarifs n. Plural of mutessarif. • MUTESSARIF n. (Turkish) the head of a Turkish sanjak, a district or a subdivision of a vilayet. |
| 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. |
| PROSTATISMS | • prostatisms n. Plural of prostatism. • PROSTATISM n. an illness or disorder associated with enlargement of the prostate. |
| SAMARSKITES | • samarskites n. Plural of samarskite. • SAMARSKITE n. a black mineral containing uranium. |
| SEMINARISTS | • seminarists n. Plural of seminarist. • SEMINARIST n. a member of, or one educated in, a seminary; specifically, an ecclesiastic educated for the priesthood in a seminary, also SEMINARIAN. |
| 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. |
| STREAMINESS | • streaminess n. The quality or state of being streamy. • STREAMINESS n. the state of being streamy. |
| STREAMSIDES | • streamsides n. Plural of streamside. • STREAMSIDE n. the side of a stream. |
| SYBARITISMS | • sybaritisms n. Plural of sybaritism. • SYBARITISM n. devotion to luxury. |