firewall vs computing

firewall and computing both are nouns.

Word	Noun	Adjective	Verb	Adverb
firewall	Yes	No	No	No
computing	Yes	No	No	No

firewall (noun)	computing (noun)
(colloquial) the application of maximum thrust	the procedure of calculating; determining something by mathematical or logical methods
a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle	the branch of engineering science that studies (with the aid of computers) computable processes and structures
(computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet