sniffler vs doer

sniffler and doer both are nouns.

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

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

Other hypernyms of sniffler include actor, worker.

sniffler (noun)	doer (noun)
a person who breathes audibly through a congested nose	a person who acts and gets things done