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