hiddenness vs privateness

hiddenness and privateness both are nouns.

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

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

Other hypernyms of hiddenness include concealment, privacy, secrecy.

hiddenness (noun)	privateness (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