Collusion rhymes with:
allusion, allusion, conclusion, delusion, disillusion, exclusion, illusion, inclusion, occlusion, preclusion, seclusion
Collusion sounds like:
calcagni, calcagno, calcium, calgene, calgon, calkin, callaghan, calligan, callison, chalasani, chilson, claassen, clasen, clason, classen, classicism, classman, classmen, classon, clausen, clauson, claussen, clawson, claxon, clayson, closson, coalson, colchicine, coleson, colgan, colgin, coliseum, collagen, collegian, colligan, collignon, collision, collison, colloquium, cologne, colosimo, colosseum, colson, coulson, culkin, culligan, cullison, cyclohexane