emulate vs computer science

emulate is not a noun while computer science is a noun.

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

emulate (noun)	computer science (noun)
	the branch of engineering science that studies (with the aid of computers) computable processes and structures

emulate (verb)	computer science (verb)
compete with successfully; approach or reach equality with
strive to equal or match, especially by imitating
imitate the function of (another system), as by modifying the hardware or the software