DRMS vs bureau

DRMS and bureau both are nouns.

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

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

DRMS: the organization in the Defense Logistics Agency that inventories and evaluates and sells reusable United States government surplus
bureau: an administrative unit of government

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

DRMS (noun)	bureau (noun)
the organization in the Defense Logistics Agency that inventories and evaluates and sells reusable United States government surplus	furniture with drawers for keeping clothes
	an administrative unit of government