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