compatible vs computing machine

compatible is not a noun while computing machine is a noun.

Word	Noun	Adjective	Verb	Adverb
compatible	No	Yes	No	No
computing machine	Yes	No	No	No

compatible (noun)	computing machine (noun)
	a machine for performing calculations automatically

compatible (adjective)	computing machine (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