Classen rhymes with:
clason, classon, klassen, clason, classon, glasson, klassen, lassen, mcglasson, assassin, bason, cason, casson, chason, clason, classon, fason, fasten, gassen, glasson, hassen, hasson, kassan, kassen, kasson, klassen, lassen, masson, mcglasson, nason, passon, sasson, stassen
Classen sounds like:
calcagni, calcagno, calcium, calgene, calgon, calkin, callaghan, calligan, callison, chalasani, chilson, claassen, clasen, clason, classicism, classman, classmen, classon, clausen, clauson, claussen, clawson, claxon, clayson, closson, coalson, colchicine, coleson, colgan, colgin, coliseum, collagen, collegian, colligan, collignon, collision, collison, colloquium, collusion, cologne, colosimo, colosseum, colson, coulson, culkin, culligan, cullison, cyclohexane