Here's what rhymes with narratable.
heritable inheritable Words that almost rhyme with narratable
eligible intelligible unintelligible inevitable equitable educable creditable estimable reputable inequitable revocable penetrable impenetrable irrevocable pensionable predicable questionable demonstrable impressionable unmentionable objectionable unquestionable disreputable discreditable pestilential exceptionable unexceptionable unobjectionable