argentina ashkenazi hebrew bangkok beijing dialect bengali language brazil bulgaria bulgarian language commonwealth of nations constantinople creole language decreolization dialect economics english language film french language greater china hindi hong kong idiolect israel jewish languages juiz de fora khariboli language macau metropolitan france mid-atlantic english north korea peru peruvian coast spanish politics quebec french received pronunciation rio de janeiro rioplatense spanish scots language seoul dialect shopi social status sociolinguistics sofia south korea speech community standard english standard mandarin surzhyk ukraine ukrainian language united kingdom united states uruguay volta redonda vowel reduction william labov