ad. In an orthographical manner; using proper spelling, capitalization and grammar.
ad. Using an orthographic projection
the GNU version of the Collaborative International Dictionary of English
ad. according to the rules of proper spelling.
ad. according to orthographic projection.
The Century Dictionary and Cyclopedia
In an orthographic manner.
Word Usage
"KASTE: But so far, close to 90 percent of the Murkowski write-in ballots have not contained irregularities and she may yet be able to win this even without having to count on the votes of her more orthographically challenged supporters."