The Science: Social Sciences: Linguistics: (Graphemics and Orthography Linguistics )

The study of writing systems and methods or rules of spelling. Graphemics and Orthography Linguistics Social Sciences Science.

At the beginning of the development of this area of linguistics, Ignace Gelb coined the term grammatology for this discipline; later some scholars suggested calling it graphology to match phonology , but that name is traditionally used for a pseudo-science. (wikipedia)