Army Intelligence vs bureau

Army Intelligence and bureau both are nouns.

Word	Noun	Adjective	Verb	Adverb
Army Intelligence	Yes	No	No	No
bureau	Yes	No	No	No

As nouns, bureau is a hypernym of Army Intelligence; that is, bureau is a word with a broader meaning than Army Intelligence:

Army Intelligence: an agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
bureau: an administrative unit of government

Other hypernyms of Army Intelligence include agency, authority, federal agency, government agency, office.

Army Intelligence (noun)	bureau (noun)
an agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders	furniture with drawers for keeping clothes
	an administrative unit of government