ダイグラフィア

thumb|A digraphic Gaj's Latin alphabet|Latin/Cyrillic street sign in [[Gaboš, Croatia]] thumb|A digraphic Latin/Jawi script|Jawi street sign in [[Pekanbaru, Indonesia]] In sociolinguistics, digraphia refers to the use of more than one writing system for the same language. Synchronic digraphia is the coexistence of two or more writing systems for the same language, while diachronic digraphia or sequential digraphia is the replacement of one writing system by another for a particular language.