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