communications protocol vs computing

communications protocol and computing both are nouns.

Word	Noun	Adjective	Verb	Adverb
communications protocol	Yes	No	No	No
computing	Yes	No	No	No

communications protocol (noun)	computing (noun)
(computer science) rules determining the format and transmission of data	the procedure of calculating; determining something by mathematical or logical methods
	the branch of engineering science that studies (with the aid of computers) computable processes and structures