NSW vs federal agency

NSW and federal agency both are nouns.

Word	Noun	Adjective	Verb	Adverb
NSW	Yes	No	No	No
federal agency	Yes	No	No	No

As nouns, federal agency is a hypernym of NSW; that is, federal agency is a word with a broader meaning than NSW:

NSW: the agency that provides units to conduct unconventional and counter-guerilla warfare
federal agency: an administrative unit of government

Other hypernyms of NSW include agency, authority, bureau, government agency, office.

NSW (noun)	federal agency (noun)
the agency that provides units to conduct unconventional and counter-guerilla warfare	an administrative unit of government