| KIESELGURS | • kieselgurs n. Plural of kieselgur. • KIESELGUR n. (German) a soft diatomaceous earth used as an absorbent in explosives, a filtering medium, etc., also KIESELGUHR. |
| KURTOSISES | • kurtosises n. Plural of kurtosis. • KURTOSIS n. the sharpness of the peak of a statistical curve. |
| MUSKETRIES | • musketries n. Plural of musketry. • MUSKETRY n. the technique of firing small arms. |
| OUTSTRIKES | • outstrikes v. Third-person singular simple present indicative form of outstrike. • OUTSTRIKE v. to outdo in striking. |
| QUIRKINESS | • quirkiness n. (Uncountable) The state of being quirky. • quirkiness n. (Countable) A specific quirky aspect of a person or thing. • QUIRKINESS n. the state of being quirky. |
| REFUSENIKS | • refuseniks n. Plural of refusenik. • REFUSENIK n. (Russian) a Soviet Jew wishing to emigrate; a dissident, also REFUSNIK. |
| SEMITRUCKS | • semitrucks n. Plural of semitruck. • semi-trucks n. Plural of semi-truck. • semi␣trucks n. Plural of semi truck. |
| SHUNPIKERS | • shunpikers n. Plural of shunpiker. • SHUNPIKER n. one who avoids toll roads. |
| SICKNURSED | • SICKNURSE v. to act in the manner of a nurse who attends the sick. |
| SICKNURSES | • sicknurses n. Plural of sicknurse. • SICKNURSE v. to act in the manner of a nurse who attends the sick. |
| SKIJUMPERS | • ski␣jumpers n. Plural of ski jumper. • SKIJUMPER n. one who engages in the sport of ski-jumping. |
| STRIKEOUTS | • strikeouts n. Plural of strikeout. • strike-outs n. Plural of strike-out. • STRIKEOUT n. an out in baseball resulting from a batsman's being charged with three strikes. |
| SUCKERFISH | • suckerfish n. The remora and other fish of family Echeneidae, especially Echeneis naucrates. • SUCKERFISH n. the remora or any other fish with an adhesive disc, e.g. a lumpsucker. |
| SUPERBIKES | • superbikes n. Plural of superbike. • SUPERBIKE n. a high-powered motorbike. |
| SUPERSLICK | • superslick adj. (Informal) Very slick. • SUPERSLICK adj. very slick. |
| TUSSOCKIER | • TUSSOCKY adj. full of tussocks. |
| UNDERSKIES | • underskies n. Plural of undersky. • UNDERSKY n. a lower sky. |
| UROKINASES | • urokinases n. Plural of urokinase. • UROKINASE n. a drug that dissolves intravascular blood clots. |