Quickened rhymes with:
chickened, sickened, thickened, arcand, awakened, beckoned, blackened, chickened, darkened, likened, millisecond, nanosecond, reawakened, reckoned, second, sickened, slackened, thickened, weakened
Quickened sounds like:
quaint, quandt, quant, quantity, quasimodo, quicksand, quiescent, quint, quinta, quintet, quinto