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