Words That Rhyme With "Brightened" :
2 syllables:
biden, buttoned, chiton, cottoned, cyton, fattened, flattened, frightened, Haydn, heighten, heightened, knighten, Leiden, Leyden, lichen, liden, lighten, lightened, liken, likened, mightn't, Schleiden, Sidon, Steichen, stipend, sweetened, tighten, tightened, titan, titrant, whiten, whitened, widen, widened
3 syllables:
enlighten, enlightened, excitant, excitement, incitement, indictment, Poseidon, renitent, unbuttoned, unwhitened, vandyken