dividend vs bonus

dividend and bonus both are nouns.

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

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

dividend: a bonus; something extra (especially a share of a surplus)
bonus: an additional payment (or other remuneration) to employees as a means of increasing output

Other hypernyms of dividend include incentive.

dividend (noun)	bonus (noun)
that part of the earnings of a corporation that is distributed to its shareholders; usually paid quarterly	anything that tends to arouse
a bonus; something extra (especially a share of a surplus)	an additional payment (or other remuneration) to employees as a means of increasing output
a number to be divided by another number