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