Words That Rhyme With "Perineum" :

2 syllables:

geum, Liam

3 syllables:

lyceum, museum, nymphaeum, odeum

4 syllables:

athenaeum, coliseum, colosseum, ephebeum, gynaeceum, hypogeum, mausoleum, proctodaeum, proctodeum, propylaeum, stomodaeum, stomodeum