cram, v. compress, [crowd], [squeeze], [press], [impact].
cramp, v. [restrain], [confine], [hinder], [restrict], [obstruct].
cranium, n. [skull].
crank, n. winch, turning-handle; [bend], [turn], [twist], [crook], [curve].
cranky, a. (Colloq.) [crotchety], [capricious], [unreasonable], [cantankerous], [cross], [perverse], cross-grained, contumacious [unsteady].
cranny, n. [crevice], [chink]. See crack.
crash, n. [ruin], [smash], [failure], collapse.
crass, a. [coarse], unrefined, [gross], [crude].
crave, v. long for, yearn for, hanker [after]; [beseech], entreat, [implore].
craven, a. [cowardly].--n. [coward].