Words That Rhyme With "Elenchus" :

2 syllables:

ankus, bronchus, crankous, incus, mecca's, Pincus, rhonchus, zincous

3 syllables:

argentous, momentous, portentous, Rebecca's

4 syllables:

excrementous, filamentous, ligamentous

5 syllables:

ornithorhynchus