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