| ACRITARCHS | • acritarchs n. Plural of acritarch. • ACRITARCH n. any of a group of fossil one-celled marine organisms. |
| ARCHICARPS | • archicarps n. Plural of archicarp. • ARCHICARP n. a female reproductive structure in certain types of fungi. |
| ARRACACHAS | • arracachas n. Plural of arracacha. • ARRACACHA n. (Quechua) an umbelliferous South American food-plant with edible tubers. |
| BRICABRACS | • bricabracs n. Plural of bricabrac. • bric-a-bracs n. Plural of bric-a-brac. • bric-à-bracs n. Plural of bric-à-brac. |
| CARACOLERS | • caracolers n. Plural of caracoler. • CARACOLER n. one who caracoles. |
| CARJACKERS | • carjackers n. Plural of carjacker. • CARJACKER n. one who steals cars by holding up their owners and demanding the keys. |
| CARRYBACKS | • carrybacks n. Plural of carryback. • CARRYBACK n. in accounting, a loss set against the previous year's profit, in order to minimise the total tax. |
| CARVACROLS | • carvacrols n. Plural of carvacrol. • CARVACROL n. a thick oily liquid of a strong taste and disagreeable odor, obtained from oil of caraway. |
| CERCARIANS | • cercarians n. Plural of cercarian. • CERCARIAN n. a cercaria. |
| CHARACTERS | • characters n. Plural of character. • CHARACTER v. (archaic) to engrave, inscribe. |
| RACETRACKS | • racetracks n. Plural of racetrack. • race␣tracks n. Plural of race track. • RACETRACK n. a track on which races take place. |
| RICERCATAS | • ricercatas n. Plural of ricercata. • RICERCATA n. any of various contrapuntal instrumental forms esp. of the 16th and 17th centuries, also RICERCAR, RICERCARE. |
| SARCOCARPS | • sarcocarps n. Plural of sarcocarp. • SARCOCARP n. the fleshy part of a stone fruit. |