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