Words That Rhyme With "Microhardness" :

2 syllables:

curtness, darkness, Dartmouth, earnest, Ernest, farness, Forness, furnace, hardness, pertness, sardas, sharpness, smartness, starkness, sternest, tartness, weirdness

3 syllables:

absurdness, alertness, assuredness, bizarreness, cothurnus, inertness, superbness