compatible vs compatibility

compatible is not a noun while compatibility is a noun.

Word	Noun	Adjective	Verb	Adverb
compatible	No	Yes	No	No
compatibility	Yes	No	No	No

compatible (noun)	compatibility (noun)
	capability of existing or performing in harmonious or congenial combination
	a feeling of sympathetic understanding

compatible (adjective)	compatibility (adjective)
able to exist and perform in harmonious or agreeable combination
capable of being used with or connected to other devices or components without modification
capable of forming a homogeneous mixture that neither separates nor is altered by chemical interaction