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