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