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