small cap vs corporation

small cap and corporation both are nouns.

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

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

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

Other hypernyms of small cap include corp.

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