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