drunken revelry vs debauchery

drunken revelry and debauchery both are nouns.

Word	Noun	Adjective	Verb	Adverb
drunken revelry	Yes	No	No	No
debauchery	Yes	No	No	No

As nouns, drunken revelry and debauchery are synonyms defined as:

drunken revelry and debauchery: a wild gathering involving excessive drinking and promiscuity

Other synonyms of drunken revelry include bacchanal, bacchanalia, debauch, orgy, riot, saturnalia.

drunken revelry (noun)	debauchery (noun)
a wild gathering involving excessive drinking and promiscuity	a wild gathering involving excessive drinking and promiscuity