curtain vs drapery

curtain and drapery both are nouns.

Word	Noun	Adjective	Verb	Adverb
curtain	Yes	No	Yes	No
drapery	Yes	No	No	No

As nouns, curtain and drapery are synonyms defined as:

curtain and drapery: hanging cloth used as a blind (especially for a window)

Other synonyms of curtain include drape, mantle, pall.

curtain (noun)	drapery (noun)
hanging cloth used as a blind (especially for a window)	hanging cloth used as a blind (especially for a window)
any barrier to communication or vision	cloth gracefully draped and arranged in loose folds

curtain (verb)	drapery (verb)
provide with drapery