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