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