Here's what rhymes with unrufflable.
gullible Words that almost rhyme with unrufflable
lovable loveable unlovable culpable untouchable touchable clubbable uncrushable inculpable adjustable combustible ineluctable refundable conductible functional deductible junctional nonrefundable instructional constructional incombustible nonfunctional noncombustible dysfunctional