hiding vs secrecy

hiding and secrecy both are nouns.

Word	Noun	Adjective	Verb	Adverb
hiding	Yes	No	No	No
secrecy	Yes	No	No	No

As nouns, secrecy is a hypernym of hiding; that is, secrecy is a word with a broader meaning than hiding:

Other hypernyms of hiding include concealment, privacy, privateness.

hiding (noun)	secrecy (noun)
the activity of keeping something secret	the trait of keeping things secret
the state of being hidden	the condition of being concealed or hidden