mart vs outlet

mart and outlet both are nouns.

Word	Noun	Adjective	Verb	Adverb
mart	Yes	No	No	No
outlet	Yes	No	No	No

As nouns, outlet is a hypernym of mart; that is, outlet is a word with a broader meaning than mart:

Other hypernyms of mart include mercantile establishment, retail store, sales outlet.

mart (noun)	outlet (noun)
an area in a town where a public mercantile establishment is set up	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