herring vs herring

herring and herring both are nouns.

Word	Noun	Adjective	Verb	Adverb
herring	Yes	No	No	No
herring	Yes	No	No	No

herring (noun)	herring (noun)
commercially important food fish of northern waters of both Atlantic and Pacific	commercially important food fish of northern waters of both Atlantic and Pacific
valuable flesh of fatty fish from shallow waters of northern Atlantic or Pacific; usually salted or pickled	valuable flesh of fatty fish from shallow waters of northern Atlantic or Pacific; usually salted or pickled