Quickening rhymes with:
chickening, sickening, thickening, awakening, beckoning, blackening, chickening, darkening, dekoning, likening, reawakening, reckoning, sickening, slackening, thickening, weakening, wilkening
Quickening sounds like:
qing, qmax, quaking, quanex, quang, quashing, queasiness, queen's, queens, queensway, quench, quenches, queuing, quickens, quickness, quina's, quince, quincey, quincy, quincy's, quinn's, quinoco, quinones, quinonez, quizzing