business vs gambling den

business and gambling den both are nouns.

Word	Noun	Adjective	Verb	Adverb
business	Yes	No	No	No
gambling den	Yes	No	No	No

business (noun)	gambling den (noun)
the principal activity in your life that you do to earn money	a public building in which a variety of games of chance can be played (operated as a business)
the activity of providing goods and services involving financial and commercial and industrial aspects
the volume of commercial activity
incidental activity performed by an actor for dramatic effect
an immediate objective
a rightful concern or responsibility
a commercial or industrial enterprise and the people who constitute it
customers collectively
business concerns collectively