Lessened rhymes with:
chastened, christened, fastened, garrisoned, glistened, hastened, housand, jettisoned, karnsund, listened, loosened, moistened, rechristened, worsened
Lessened sounds like:
la-quinta, laconte, lacount, lagnado, lecomte, leconte, lecount, legend, legent, ligament, ligand, lignite, likened, lisanti, locksmith, loconte, loosened, lucent, lucente, lucinda