Orthographer
The Century Dictionary and Cyclopedia
noun.
One who is skilled in or writes on orthography; one who spells words correctly, according to approved usage.
the GNU version of the Collaborative International Dictionary of English
noun.
One versed in orthography; one who spells words correctly.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
One versed in
orthography
; one who spells words correctly
Word Usage
"An essay prompt referred to “the omission of greenhouse gases,” enough to emit a scream from any orthographer."