smotherer vs doer

smotherer and doer both are nouns.

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

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

Other hypernyms of smotherer include actor, worker.

smotherer (noun)	doer (noun)
a person who stifles or smothers or suppresses	a person who acts and gets things done