FDA vs Department of Health and Human Services

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

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

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