private vs tete-a-tete

private and tete-a-tete both are nouns.

Word	Noun	Adjective	Verb	Adverb
private	Yes	Yes	No	No
tete-a-tete	Yes	Yes	No	No

private (noun)	tete-a-tete (noun)
an enlisted man of the lowest rank in the Army or Marines	small sofa that seats two people
	a private conversation between two people

private (adjective)	tete-a-tete (adjective)
confined to particular persons or groups or providing privacy	involving two persons; intimately private
not expressed
concerning one person exclusively
concerning things deeply private and personal