Craziness rhymes with:
laziness, clumsiness, coziness, dizziness, drowsiness, laziness, lousiness, nosiness, queasiness, uneasiness
Craziness sounds like:
caressing, caricom's, carjacking, carjackings, carousing, carson's, charging, cherishing, chrzanowski, churchgoing, churkin's, circumcise, coarsening, coercing, corking, corkins, corrigan's, coursing, cracking, crashing, crasnianski, creaking, crescenzi, crescenzo, crishman's, croaking, crookshank, crookshanks, crossing, crossings, crouching, cruickshank, cruikshank, cruising, crushing, cryogenic, cryogenics, cursing