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