Quickens rhymes with:
wickens, chicken's, chickens, chickens', dickens, dickens', hichens, lykins, mickens, nickens, pickens, pickens', ricans, thickens, vicon's, wickens
Quickens sounds like:
qing, qmax, quaking, quanex, quang, quashing, queasiness, queen's, queens, queensway, quench, quenches, queuing, quickening, quickness, quina's, quince, quincey, quincy, quincy's, quinn's, quinoco, quinones, quinonez, quizzing