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