peignoir vs negligee

peignoir and negligee both are nouns.

Word	Noun	Adjective	Verb	Adverb
peignoir	Yes	No	No	No
negligee	Yes	No	No	No

As nouns, peignoir and negligee are synonyms defined as:

Other synonyms of peignoir include housecoat, neglige, wrapper.

peignoir (noun)	negligee (noun)
a loose dressing gown for women	a loose dressing gown for women