privy council vs divan

privy council and divan both are nouns.

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

As nouns, divan is a hyponym of privy council; that is, divan is a word with a more specific, narrower meaning than privy council:

privy council: an advisory council to a ruler (especially to the British Crown)
divan: a Muslim council of state

Other hyponyms of privy council include diwan.

privy council (noun)	divan (noun)
an advisory council to a ruler (especially to the British Crown)	a long backless sofa (usually with pillows against a wall)
	a Muslim council chamber or law court
	a collection of Persian or Arabic poems (usually by one author)
	a Muslim council of state