outlet vs mercantile establishment

outlet and mercantile establishment both are nouns.

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

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

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

Other synonyms of outlet include retail store, sales outlet.

outlet (noun)	mercantile establishment (noun)
activity that frees or expresses creative energy or emotion	a place of business for retailing goods
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