Department of Health and Human Services vs FDA

Department of Health and Human Services and FDA both are nouns.

Word	Noun	Adjective	Verb	Adverb
Department of Health and Human Services	Yes	No	No	No
FDA	Yes	No	No	No

Department of Health and Human Services (noun)	FDA (noun)
the United States federal department that administers all federal programs dealing with health and welfare; created in 1979	a federal agency in the Department of Health and Human Services established to regulate the release of new foods and health-related products