comfort station vs privy

comfort station and privy both are nouns.

Word	Noun	Adjective	Verb	Adverb
comfort station	Yes	No	No	No
privy	Yes	Yes	No	No

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

Other hypernyms of comfort station include facility, bathroom, can, john, lav, lavatory, toilet.

comfort station (noun)	privy (noun)
a toilet that is available to the public	a small outbuilding with a bench having holes through which a user can defecate
	a room or building equipped with one or more toilets

comfort station (adjective)	privy (adjective)
	(followed by `to') informed about something secret or not generally known
	hidden from general view or use