Orthography

Noun

 * 1) The study of correct spelling according to established usage.
 * 2) The aspect of language study concerned with letters and their sequences in words.
 * 3) Spelling; the method of representing a language or the sounds of language by written symbols.
 * 4)  Orthographic projection; especially its use to draw an elevation, vertical projection etc. of a building.

Derived terms

 * orthographer
 * orthographic
 * orthographical
 * orthographically
 * orthographist