red-winged blackbird vs redwing

red-winged blackbird and redwing both are nouns.

Word	Noun	Adjective	Verb	Adverb
red-winged blackbird	Yes	No	No	No
redwing	Yes	No	No	No

As nouns, red-winged blackbird and redwing are synonyms defined as:

red-winged blackbird and redwing: North American blackbird with scarlet patches on the wings

Other synonyms of red-winged blackbird include Agelaius phoeniceus.

red-winged blackbird (noun)	redwing (noun)
North American blackbird with scarlet patches on the wings	small European thrush having reddish flanks
	North American blackbird with scarlet patches on the wings