server vs computer science

server and computer science both are nouns.

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

server (noun)	computer science (noun)
utensil used in serving food or drink	the branch of engineering science that studies (with the aid of computers) computable processes and structures
(computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network
a person whose occupation is to serve at table (as in a restaurant)
(court games) the player who serves to start a point