housecoat vs neglige

housecoat and neglige both are nouns.

Word	Noun	Adjective	Verb	Adverb
housecoat	Yes	No	No	No
neglige	Yes	No	No	No

As nouns, housecoat and neglige are synonyms defined as:

Other synonyms of housecoat include negligee, peignoir, wrapper.

housecoat (noun)	neglige (noun)
a loose dressing gown for women	a loose dressing gown for women