Here's what rhymes with cognomenal.
Words that almost rhyme with cognomenal
notional emotional notable knowable sociable potable unemotional quotable devotional negotiable promotional unknowable unsociable erodible consolable controllable approachable overemotional inapproachable revokable disposable uncontrollable unapproachable inconsolable nonnegotiable reproachable renegotiable irreproachable