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