FHA vs bureau

FHA and bureau both are nouns.

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

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

FHA: the federal agency in the Department of Housing and Urban Development that insures residential mortgages
bureau: an administrative unit of government

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

FHA (noun)	bureau (noun)
the federal agency in the Department of Housing and Urban Development that insures residential mortgages	furniture with drawers for keeping clothes
	an administrative unit of government