Condominiums rhymes with:
geraniums, millenniums, zirconiums, abiam's, aquariums, atriums, auditoriums, axioms, caladiums, consortium's, geraniums, gymnasiums, herbariums, honorariums, idioms, mediums, millenniums, moratoriums, pentiums, petroleum's, podiums, premiums, stadium's, stadiums, symposiums, wiliams, zirconiums
Condominiums 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, condoms, condones, condoning, connotations, containing, contains, continuance, continuances, continues, continuing, continuous, countdowns, countenance, countenances, counting