privy council vs council

privy council and council both are nouns.

Word	Noun	Adjective	Verb	Adverb
privy council	Yes	No	No	No
council	Yes	No	No	No

As nouns, council is a hypernym of privy council; that is, council is a word with a broader meaning than privy council:

privy council: an advisory council to a ruler (especially to the British Crown)
council: a body serving in an administrative capacity

privy council (noun)	council (noun)
an advisory council to a ruler (especially to the British Crown)	a meeting of people for consultation
	a body serving in an administrative capacity
	(Christianity) an assembly of theologians and bishops and other representatives of different churches or dioceses that is convened to regulate matters of discipline or doctrine