orthography
or.thog.ra.phy \o.r-'tha:g-r*-fe-\ n [ME ortografie, fr. MF, fr. L orthographia, fr. Gk, fr. orth-] + graphein to write - more at CARVE 1a: the art of writing words with the proper letters according to standard usage 1b: the representation of the sounds of a language by written or printed sy mbols 2: a part of language study that deals with letters and spelling