Words That Rhyme With "Harmonics" :
2 syllables:
conics, onyx, phonics, sonics, tonics
3 syllables:
Ebonics, hedonics, mnemonics, sardonyx, tectonics
4 syllables:
electronics, geoponics, hydroponics, infrasonics, nucleonics, philharmonic's, supersonics, telephonics, ultrasonics