INR vs bureau

INR and bureau both are nouns.

Word	Noun	Adjective	Verb	Adverb
INR	Yes	No	No	No
bureau	Yes	No	No	No

As nouns, bureau is a hypernym of INR; that is, bureau 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
bureau: an administrative unit of government

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

INR (noun)	bureau (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	furniture with drawers for keeping clothes
	an administrative unit of government