Here's what rhymes with noncompactible.
tractable intractable attractable retractable Words that almost rhyme with noncompactible
compatible taxable practical incompatible adaptable passable merchantable unpractical chasuble bankable cantabile valuable tangible maximal palpable impassable implacable impractical factional fallible cannibal laughable cantonal blamable impassible nontaxable satiable savable fanciable national radical rational casual grammatical diagonal invaluable fractional infallible intangible mandible interactional detachable flammable impalpable collapsible madrigal unflappable irrational clavicle inflammable octagonal ungrammatical verapamil graspable nonflammable frangible declarable nondetachable international understandable lnternational transactional expandable semiannual multinational hexagonal transnational supranational