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