CCRC vs bureau

CCRC and bureau both are nouns.

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

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

CCRC: an agency in the Department of Defense that is a national center for research on all aspects of injury control and casualty care
bureau: an administrative unit of government

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

CCRC (noun)	bureau (noun)
an agency in the Department of Defense that is a national center for research on all aspects of injury control and casualty care	furniture with drawers for keeping clothes
	an administrative unit of government