save vs computer science

save and computer science both are nouns.

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

save (noun)	computer science (noun)
(sports) the act of preventing the opposition from scoring	the branch of engineering science that studies (with the aid of computers) computable processes and structures

save (verb)	computer science (verb)
make unnecessary an expenditure or effort
record data on a computer
to keep up and reserve for personal or special use
accumulate money for future use
spend less; buy at a reduced price
retain rights to
spend sparingly, avoid the waste of
bring into safety
save from ruin, destruction, or harm
save from sins
refrain from harming