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