We don't have synonyms for fusha yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are usha, fusa and musha.
(n) :
Modern Standard Arabic and Classical Arabic, taken together: "standard" Arabic, used in religious texts, in writing, and in formal speech, as opposed to the regional "dialects" used for most daily communication.
(n) :
Modern Standard Arabic and Classical Arabic, taken together: "standard" Arabic, used in religious texts, in writing, and in formal speech, as opposed to the regional "dialects" used for most daily communication.