Words That Rhyme With "Proctodaeum" :

2 syllables:

geum, Liam

3 syllables:

lyceum, museum, nymphaeum, odeum

4 syllables:

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