format vs publication

format and publication both are nouns.

Word	Noun	Adjective	Verb	Adverb
format	Yes	No	Yes	No
publication	Yes	No	No	No

format (noun)	publication (noun)
the general appearance of a publication	the business of issuing printed matter for sale or distribution
the organization of information according to preset specifications (usually for computer processing)	the act of issuing printed materials
	the communication of something to the public; making information generally known
	a copy of a printed work offered for distribution

format (verb)	publication (verb)
divide (a disk) into marked sectors so that it may store data
determine the arrangement of (data) for storage and display (in computer science)
set (printed matter) into a specific format