Words That Rhyme With "Propylaeum" :

2 syllables:

geum, Liam

3 syllables:

lyceum, museum, nymphaeum, odeum

4 syllables:

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