news organisation vs press association

news organisation and press association both are nouns.

Word	Noun	Adjective	Verb	Adverb
news organisation	Yes	No	No	No
press association	Yes	No	No	No

As nouns, news organisation and press association are synonyms defined as:

news organisation and press association: an agency to collects news reports for newspapers and distributes it electronically

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

news organisation (noun)	press association (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