bureau vs administrative body

bureau and administrative body both are nouns.

Word	Noun	Adjective	Verb	Adverb
bureau	Yes	No	No	No
administrative body	Yes	No	No	No

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

Other hypernyms of bureau include administrative unit.

bureau (noun)	administrative body (noun)
furniture with drawers for keeping clothes	a unit with administrative responsibilities
an administrative unit of government