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