We don't have synonyms for whitie yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are white, whitile and whitis.
(n) :
Alternative form of whitey. [(especially African-American Vernacular, derogatory, ethnic slur, offensive) A white person, a person of Western European descent.]
(n) :
Alternative form of whitey. [(especially African-American Vernacular, derogatory, ethnic slur, offensive) A white person, a person of Western European descent.]