mercantile establishment vs outlet

mercantile establishment and outlet both are nouns.

Word	Noun	Adjective	Verb	Adverb
mercantile establishment	Yes	No	No	No
outlet	Yes	No	No	No

As nouns, mercantile establishment and outlet are synonyms defined as:

mercantile establishment and outlet: a place of business for retailing goods

Other synonyms of mercantile establishment include retail store, sales outlet.

mercantile establishment (noun)	outlet (noun)
a place of business for retailing goods	activity that frees or expresses creative energy or emotion
	an opening that permits escape or release
	a place of business for retailing goods
	receptacle providing a place in a wiring system where current can be taken to run electrical devices