confidence vs security

confidence and security both are nouns.

Word	Noun	Adjective	Verb	Adverb
confidence	Yes	No	No	No
security	Yes	No	No	No

As nouns, security is a hypernym of confidence; that is, security is a word with a broader meaning than confidence:

confidence (noun)	security (noun)
freedom from doubt; belief in yourself and your abilities	measures taken as a precaution against theft or espionage or sabotage etc.
a secret that is confided or entrusted to another	an electrical device that sets off an alarm when someone tries to break in
a feeling of trust (in someone or something)	a guarantee that an obligation will be met
a state of confident hopefulness that events will be favorable	freedom from anxiety or fear
a trustful relationship	a department responsible for the security of the institution's property and workers
	property that your creditor can claim in case you default on your obligation
	defense against financial failure; financial independence
	a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends
	the state of being free from danger or injury