catty-corner vs catercorner

catty-corner and catercorner both are adjectives.

Word	Noun	Adjective	Verb	Adverb
catty-corner	No	Yes	No	No
catercorner	No	Yes	No	No

As adjectives, catty-corner and catercorner are synonyms defined as:

catty-corner and catercorner: slanted across a polygon on a diagonal line

Other synonyms of catty-corner include cata-cornered, catacorner, cater-cornered, catty-cornered, kitty-corner, kitty-cornered.

catty-corner (adjective)	catercorner (adjective)
slanted across a polygon on a diagonal line	slanted across a polygon on a diagonal line