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