redbird vs firebird

redbird and firebird both are nouns.

Word	Noun	Adjective	Verb	Adverb
redbird	Yes	No	No	No
firebird	Yes	No	No	No

As nouns, redbird and firebird are synonyms defined as:

Other synonyms of redbird include Piranga olivacea, scarlet tanager.

redbird (noun)	firebird (noun)
crested thick-billed North American finch having bright red plumage in the male	eastern subspecies of northern oriole
the male is bright red with black wings and tail	the male is bright red with black wings and tail
	tropical American flycatcher found as far north as southern Texas and Arizona; adult male has bright scarlet and black plumage