Classicism rhymes with:
narcissism, criticism, cynicism, eroticism, gnosticism, lyricism, mysticism, narcissism, skepticism, anglo-catholicism, anti-catholicism, catholicism, criticism, cynicism, empiricism, eroticism, fanaticism, gnosticism, lyricism, monasticism, mysticism, narcissism, ostracism, racism, romanticism, skepticism, stoicism
Classicism sounds like:
calcagni, calcagno, calcium, calgene, calgon, calkin, callaghan, calligan, callison, chalasani, chilson, claassen, clasen, clason, classen, 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