emporium vs outlet

emporium and outlet both are nouns.

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

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

emporium: a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain
outlet: a place of business for retailing goods

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

emporium (noun)	outlet (noun)
a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain	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