private vs privy

private and privy both are nouns.

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

private (noun)	privy (noun)
an enlisted man of the lowest rank in the Army or Marines	a small outbuilding with a bench having holes through which a user can defecate
	a room or building equipped with one or more toilets

private (adjective)	privy (adjective)
confined to particular persons or groups or providing privacy	(followed by `to') informed about something secret or not generally known
not expressed	hidden from general view or use
concerning one person exclusively
concerning things deeply private and personal