computer science vs disk

computer science and disk both are nouns.

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

computer science (noun)	disk (noun)
the branch of engineering science that studies (with the aid of computers) computable processes and structures	a flat circular plate
	sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
	(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
	something with a round shape resembling a flat circular plate

computer science (verb)	disk (verb)
	draw a harrow over (land)