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