computer science vs foreground

computer science and foreground both are nouns.

Word	Noun	Adjective	Verb	Adverb
computer science	Yes	No	No	No
foreground	Yes	No	Yes	No

computer science (noun)	foreground (noun)
the branch of engineering science that studies (with the aid of computers) computable processes and structures	(computer science) a window for an active application
	the part of a scene that is near the viewer

computer science (verb)	foreground (verb)
	move into the foreground to make more visible or prominent