We don't have synonyms for oralism yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are moralism and oralist.
(n) :
A philosophy of education for the deaf, opposed to manualism, that uses spoken language consisting of lipreading, speech, the process of watching mouth movements, and mastering breathing techniques.
(n) :
A philosophy of education for the deaf, opposed to manualism, that uses spoken language consisting of lipreading, speech, the process of watching mouth movements, and mastering breathing techniques.