cacography

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

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

Furthermore, to Phœnix's devices he added cacography, the device of deliberate misspelling so much used by later humorists.

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

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