success vs doer

success and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
success	Yes	No	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of success; that is, doer is a word with a broader meaning than success:

Other hypernyms of success include actor, worker.

success (noun)	doer (noun)
an attainment that is successful	a person who acts and gets things done
an event that accomplishes its intended purpose
a person with a record of successes
a state of prosperity or fame