business life vs calling

business life and calling both are nouns.

Word	Noun	Adjective	Verb	Adverb
business life	Yes	No	No	No
calling	Yes	No	No	No

As nouns, calling is a hypernym of business life; that is, calling is a word with a broader meaning than business life:

business life: a career in industrial or commercial or professional activities
calling: the particular occupation for which you are trained

Other hypernyms of business life include career, vocation.

business life (noun)	calling (noun)
a career in industrial or commercial or professional activities	the particular occupation for which you are trained