Quickly rhymes with:
wickley, bickley, brickley, mickley, nicley, prickly, sickly, siklie, slickly, stickley, thickly, wickley
Quickly sounds like:
quaglia, quail, qual, quale, qualey, qualley, quaquil, quayle, quazulu, quealy, quel, quell, quello, quickel, quiggle, quigley, quilali, quill, quizzical