Words That Rhyme With "Rhizobium" :

3 syllables:

grobian, labium, odium, opium, podium, protium, Rhodian, rhodium, sodium

4 syllables:

aerobium, alodium, anthodium, Cambodian, collodion, custodian, ectropion, ectropium, erodium, melodeon, melodion, Muskogean, niobium, opprobrium, plasmodium, sympodium, utopian

5 syllables:

acanthodian, anaerobium, cephalodium, Ethiopian, gonopodium, hyphopodium, lycopodium, monopodium, monosodium, nickelodeon, parapodium, staminodium, stylopodium, Telescopium