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