Words That Rhyme With "Hippeastrum" :

2 syllables:

angstrom, Aston, baston, casten, datsun, Gaston, hamstrung, lustrum, masten, nostrum, Ostrom, plastron, rostrum, sistrum, Tristram

3 syllables:

apastron, colostrum, dioestrum, sequestrum

4 syllables:

alabastrum, milliangstrom, periastron