computer science vs network

computer science and network both are nouns.

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

computer science (noun)	network (noun)
the branch of engineering science that studies (with the aid of computers) computable processes and structures	an open fabric of string or rope or wire woven together at regular intervals
	(broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs
	(electronics) a system of interconnected electronic components or circuits
	a system of intersecting lines or channels
	an interconnected system of things or people

computer science (verb)	network (verb)
	communicate with and within a group