dressing sacque vs dressing sack

dressing sacque and dressing sack both are nouns.

Word	Noun	Adjective	Verb	Adverb
dressing sacque	Yes	No	No	No
dressing sack	Yes	No	No	No

As nouns, dressing sacque and dressing sack are synonyms defined as:

dressing sacque and dressing sack: a woman's loose jacket; worn while dressing

dressing sacque (noun)	dressing sack (noun)
a woman's loose jacket; worn while dressing	a woman's loose jacket; worn while dressing