orthographistn.

1616 J. Bullokar Eng. Expositor Orthographist, hee that professeth or is skilfull in Orthographie.

1704 (title) The expert orthographist, teaching to write English exactly according to the doctrine of sounds.

1882 H. E. Scudder Noah Webster vii. 256 The orthoepists had elaborated their system more than the orthographists.

1896 Mod. Lang. Notes 11 188/1 In the latter part of the eighteenth century, however, this sound must have died out, as no orthographist of that period recognizes it.

1993 Pittsburgh Post-Gaz. (Nexis) 11 Apr. c2 A two-hour battle of orthographists [i.e. contestants in a spelling bee] came down to David..and three others.