Here's what rhymes with unopenable.
tenable untenable amenable Words that almost rhyme with unopenable
genital congenital urogenital terrible parable bearable bendable sensible decimal unbearable legible testable tentacle wearable breathable spendable pentacle medical cerebral vegetable credible plentiful retinal sensual dependable pedestal attentional defensible illegible impeccable ineffable ostensible sentinel caramel inedible repairable undependable amendable stretchable weldable spreadable unwearable quenchable chemical accessible dimensional flexible numerical clerical festival incredible spectacle intentional perceptible sectional textual commendable detectable directional insensible lamentable sceptical seminal detestable impregnable unforgettable unintentional compressible delectable digestible expendable obsessional presentable preventable undetectable unquenchable contestable dispensable extensible correctable impressible extendable perfectible preventible suppressible detectible electable professional conventional acceptable indispensable intestinal perceptual respectable susceptible congressional inaccessible skeptical unacceptable confessional contemptible inflexible segmental correctional irrepressible polemical regrettable chimerical execrable expressible extensional indefensible indigestible concessional processional prophetical collectible suggestible collectable forgettable premedical recessional perceptional unpreventable comestible complexional connectable connectible exceptional hypothetical biochemical homosexual receptacle unconventional inexpressible reprehensible trigeminal alchemical bidirectional geochemical incompressible incontestable inflectional photochemical twodimensional unprofessional insusceptible paramedical unexceptional conceptional convectional inflexional recommendable nonclerical nonnumerical noncollectable comprehensible unidirectional intertextual intracerebral psychosexual threedimensional anticlerical nonprofessional alphanumerical heterosexual multidimensional histochemical semiprofessional subprofessional paraprofessional gastrointestinal physicochemical immunohistochemical