confidence vs shy

confidence and shy both are nouns.

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

confidence (noun)	shy (noun)
freedom from doubt; belief in yourself and your abilities	a quick throw
a secret that is confided or entrusted to another
a feeling of trust (in someone or something)
a state of confident hopefulness that events will be favorable
a trustful relationship

confidence (adjective)	shy (adjective)
	lacking self-confidence
	short
	wary and distrustful; disposed to avoid persons or things

confidence (verb)	shy (verb)
	throw quickly
	start suddenly, as from fright