Difference between Catty-corner and Kitty-cornered

What is the difference between Catty-corner and Kitty-cornered?

Catty-corner as an adjective is see the synonym and definition at catercorner, of which this is a regional spelling variant. while Kitty-cornered as an adjective is catercorner

We hope you now know whether to use Catty-corner or Kitty-cornered in your sentence.