small cap vs corp

small cap and corp both are nouns.

Word	Noun	Adjective	Verb	Adverb
small cap	Yes	No	No	No
corp	Yes	No	No	No

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

small cap: a corporation with a small capitalization
corp: a business firm whose articles of incorporation have been approved in some state

Other hypernyms of small cap include corporation.

small cap (noun)	corp (noun)
a character having the form of an upper-case letter but the same height as lower-case letters	a business firm whose articles of incorporation have been approved in some state
a corporation with a small capitalization