access vs computer science

access and computer science both are nouns.

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

access (noun)	computer science (noun)
the act of approaching or entering	the branch of engineering science that studies (with the aid of computers) computable processes and structures
a way of entering or leaving
(computer science) the operation of reading or writing stored information
the right to enter
the right to obtain or make use of or take advantage of something (as services or membership)
a code (a series of characters or digits) that must be entered in some way (typed or dialed or spoken) to get the use of something (a telephone line or a computer or a local area network etc.)

access (verb)	computer science (verb)
reach or gain access to
obtain or retrieve from a storage device; as of information on a computer