Cohesiveness rhymes with:
aggressiveness, decisiveness, defensiveness, divisiveness, elusiveness, indecisiveness, permissiveness, persuasiveness, possessiveness, responsiveness
Cohesiveness sounds like:
c-span's, cabanas, cabaniss, cabiness, cabins, capobianco, capping, cavanagh, cavanaugh, cavaness, cavenaugh, caviness, caving, cavins, cavness, chaffins, chafing, chapman's, chapnick, cheapening, cheapens, cheapness, cheekbones, chipping, chopping, chovanec, cobain's, cobbins, coffing, coffins, coping, coppens, copping, coppins, copying, couponing, coupons, cowabunga, cubans