Fannie Mae vs FNMA

Fannie Mae and FNMA both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fannie Mae	Yes	No	No	No
FNMA	Yes	No	No	No

As nouns, Fannie Mae and FNMA are synonyms defined as:

Fannie Mae and FNMA: a federally chartered corporation that purchases mortgages

Other synonyms of Fannie Mae include Federal National Mortgage Association.

Fannie Mae (noun)	FNMA (noun)
a federally chartered corporation that purchases mortgages	a federally chartered corporation that purchases mortgages