Here's what rhymes with quelc.
elk lc whelk yarmelke Words that almost rhyme with quelc
ec ek check neck deck desk sec wreck cheque tech nec peck shek beck dec haec heck rec lech msec spec speck trek exec fleck kopeck grotesque burlesque recheck bedeck hatcheck arabesque quarterdeck statuesque discotheque spellcheck bottleneck turtleneck