business enterprise vs concern

business enterprise and concern both are nouns.

Word	Noun	Adjective	Verb	Adverb
business enterprise	Yes	No	No	No
concern	Yes	No	Yes	No

business enterprise (noun)	concern (noun)
the activity of providing goods and services involving financial and commercial and industrial aspects	something that interests you because it is important or affects you
	something or someone that causes anxiety; a source of unhappiness
	a feeling of sympathy for someone or something
	an anxious feeling
	a commercial or industrial enterprise and the people who constitute it

business enterprise (verb)	concern (verb)
	be relevant to
	be on the mind of