disk vs computer science

disk and computer science both are nouns.

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

disk (noun)	computer science (noun)
a flat circular plate	the branch of engineering science that studies (with the aid of computers) computable processes and structures
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

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