capitalize vs capital

capitalize is not a noun while capital is a noun.

Word	Noun	Adjective	Verb	Adverb
capitalize	No	No	Yes	No
capital	Yes	Yes	No	No

capitalize (noun)	capital (noun)
	the upper part of a column that supports the entablature
	one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis
	a seat of government
	a center that is associated more than any other with some activity or product
	wealth in the form of money or property owned by a person or business and human resources of economic value
	assets available for use in the production of further assets

capitalize (verb)	capital (verb)
convert (a company's reserve funds) into capital
consider expenditures as capital assets rather than expenses
compute the present value of a business or an income
write in capital letters
draw advantages from
supply with capital, as of a business by using a combination of capital used by investors and debt capital provided by lenders