cacography

A letter more or less in a name was of no account in the cacography of those times.

Most lovely is the youthful hand of his eldest daughter: the cacography of her later years is, alas!

I am willing to lay the blame of these errata on my own cacography, rather than on the printer's back.

He blows off his steam with such an eagerness that he forgets for a time, or nearly forgets, his cacography.