Words That Rhyme With "Foundrous" :

2 syllables:

chondrus, endress, foundress, Landress, laundress, loudness, splendrous, wondrous

3 syllables:

avowedness, Cassandras, diandrous, gynandrous, isandrous, meandrous, pentandrous, tetrandrous, triandrous

4 syllables:

polyandrous, proterandrous