business vs operation

business and operation both are nouns.

Word	Noun	Adjective	Verb	Adverb
business	Yes	No	No	No
operation	Yes	No	No	No

business (noun)	operation (noun)
the principal activity in your life that you do to earn money	a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
the activity of providing goods and services involving financial and commercial and industrial aspects	(mathematics) calculation by mathematical methods
the volume of commercial activity	activity by a military or naval force (as a maneuver or campaign)
incidental activity performed by an actor for dramatic effect	a planned activity involving many people performing various actions
an immediate objective	a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
a rightful concern or responsibility	a business especially one run on a large scale
a commercial or industrial enterprise and the people who constitute it	the activity of operating something (a machine or business etc.)
customers collectively	(psychology) the performance of some composite cognitive activity; an operation that affects mental contents
business concerns collectively	(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
	process or manner of functioning or operating
	the state of being in effect or being operative