Fannie Mae vs corp

Fannie Mae and corp both are nouns.

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

As nouns, corp is a hypernym of Fannie Mae; that is, corp is a word with a broader meaning than Fannie Mae:

Fannie Mae: a federally chartered corporation that purchases mortgages
corp: a business firm whose articles of incorporation have been approved in some state

Other hypernyms of Fannie Mae include corporation.

Fannie Mae (noun)	corp (noun)
a federally chartered corporation that purchases mortgages	a business firm whose articles of incorporation have been approved in some state