drooler vs doer

drooler and doer both are nouns.

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

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

Other hypernyms of drooler include actor, worker.

drooler (noun)	doer (noun)
a person who dribbles	a person who acts and gets things done