sales incentive vs bonus

sales incentive and bonus both are nouns.

Word	Noun	Adjective	Verb	Adverb
sales incentive	Yes	No	No	No
bonus	Yes	No	No	No

As nouns, bonus is a hypernym of sales incentive; that is, bonus is a word with a broader meaning than sales incentive:

sales incentive: remuneration offered to a salesperson for exceeding some predetermined sales goal
bonus: an additional payment (or other remuneration) to employees as a means of increasing output

Other hypernyms of sales incentive include incentive.

sales incentive (noun)	bonus (noun)
remuneration offered to a salesperson for exceeding some predetermined sales goal	anything that tends to arouse
	an additional payment (or other remuneration) to employees as a means of increasing output