Condoms rhymes with:
memorandums, referendums, tandem's, adam's, adams, adams', addams, addendums, fiefdoms, freedom's, freedoms, kingdom's, kingdoms, mcadams, memorandums, modems, needham's, odoms, oldham's, referendums, saddam's, sedums, sheikdoms, tandem's, wadhams
Condoms sounds like:
camden's, canadian's, canadians, canadians', canteens, cantonese, cantons, cementing, centimes, chanting, chintung, comedian's, comedians, commanding, commending, commenting, committing, commuting, condemning, condemns, condense, conditioning, conditions, condominiums, condones, condoning, connotations, containing, contains, continuance, continuances, continues, continuing, continuous, countdowns, countenance, countenances, counting