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