INR vs government agency

INR and government agency both are nouns.

Word	Noun	Adjective	Verb	Adverb
INR	Yes	No	No	No
government agency	Yes	No	No	No

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

INR: an agency that is the primary source in the State Department for interpretive analyses of global developments and focal point for policy issues and activities of the Intelligence Community
government agency: an administrative unit of government

Other hypernyms of INR include agency, authority, bureau, federal agency, office.

INR (noun)	government agency (noun)
an agency that is the primary source in the State Department for interpretive analyses of global developments and focal point for policy issues and activities of the Intelligence Community	an administrative unit of government