bonus vs incentive

bonus and incentive both are nouns.

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

As nouns, bonus and incentive are synonyms defined as:

bonus and incentive: an additional payment (or other remuneration) to employees as a means of increasing output

bonus (noun)	incentive (noun)
anything that tends to arouse	a positive motivational influence
an additional payment (or other remuneration) to employees as a means of increasing output	an additional payment (or other remuneration) to employees as a means of increasing output