news organization vs news agency

news organization and news agency both are nouns.

Word	Noun	Adjective	Verb	Adverb
news organization	Yes	No	No	No
news agency	Yes	No	No	No

As nouns, news organization and news agency are synonyms defined as:

news organization and news agency: an agency to collects news reports for newspapers and distributes it electronically

Other synonyms of news organization include news organisation, press agency, press association, wire service.

news organization (noun)	news agency (noun)
an agency to collects news reports for newspapers and distributes it electronically	an agency to collects news reports for newspapers and distributes it electronically