capital vs superior

capital and superior both are nouns.

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

capital (noun)	superior (noun)
the upper part of a column that supports the entablature	a character or symbol set or printed or written above and immediately to one side of another character
one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis	one of greater rank or station or quality
a seat of government	the head of a religious community
a center that is associated more than any other with some activity or product	a combatant who is able to defeat rivals
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

capital (adjective)	superior (adjective)
of principal importance	written or printed above and to one side of another character
first-rate	of or characteristic of high rank or importance
uppercase	of high or superior quality or performance
	having an orbit farther from the sun than the Earth's orbit
	(sometimes followed by `to') not subject to or influenced by
	having a higher rank
	(often followed by `to') above being affected or influenced by