We don't have synonyms for heterosex yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are heterodox, hederose and heterosis.
°Of or pertaining to creeds, beliefs, or teachings, especially religious ones, that are different from the norm ('orthodox'), but not sufficiently different to be called heretical.
"The Church of Alexandria in Egypt is considered heterodox, not heretical."
°Of or pertaining to creeds, beliefs, or teachings, especially religious ones, that are different from the norm ('orthodox'), but not sufficiently different to be called heretical.
"The Church of Alexandria in Egypt is considered heterodox, not heretical."