hiddenness vs privacy

hiddenness and privacy both are nouns.

Word	Noun	Adjective	Verb	Adverb
hiddenness	Yes	No	No	No
privacy	Yes	No	No	No

As nouns, privacy is a hypernym of hiddenness; that is, privacy is a word with a broader meaning than hiddenness:

Other hypernyms of hiddenness include concealment, privateness, secrecy.

hiddenness (noun)	privacy (noun)
the state of being covert and hidden	the quality of being secluded from the presence or view of others
	the condition of being concealed or hidden