small-capitalization vs market capitalization

small-capitalization is not a noun while market capitalization is a noun.

Word	Noun	Adjective	Verb	Adverb
small-capitalization	No	Yes	No	No
market capitalization	Yes	No	No	No

small-capitalization (noun)	market capitalization (noun)
	an estimation of the value of a business that is obtained by multiplying the number of shares outstanding by the current price of a share

small-capitalization (adjective)	market capitalization (adjective)
of stocks of companies with a market capitalization of less than one billion dollars