Caladiums rhymes with:
stadium's, stadiums, idioms, mediums, podiums, stadium's, stadiums, abiam's, aquariums, atriums, auditoriums, axioms, condominiums, consortium's, geraniums, gymnasiums, herbariums, honorariums, idioms, mediums, millenniums, moratoriums, pentiums, petroleum's, podiums, premiums, stadium's, stadiums, symposiums, wiliams, zirconiums
Caladiums sounds like:
caledonian's, clayton's, clothing, clotting, cloudiness, clouding, coagulating, coalition's, coalitions, coldness, colliding, colluding