pillar vs capital

pillar and capital both are nouns.

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

pillar (noun)	capital (noun)
(architecture) a tall vertical cylindrical structure standing upright and used to support a structure	the upper part of a column that supports the entablature
a vertical cylindrical structure standing alone and not supporting anything (such as a monument)	one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis
a fundamental principle or practice	a seat of government
a prominent supporter	a center that is associated more than any other with some activity or product
anything that approximates the shape of a column or tower	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