true flycatcher vs flycatcher

true flycatcher and flycatcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
true flycatcher	Yes	No	No	No
flycatcher	Yes	No	No	No

As nouns, true flycatcher and flycatcher are synonyms defined as:

true flycatcher and flycatcher: any of a large group of small songbirds that feed on insects taken on the wing

Other synonyms of true flycatcher include Old World flycatcher.

true flycatcher (noun)	flycatcher (noun)
any of a large group of small songbirds that feed on insects taken on the wing	any of a large group of small songbirds that feed on insects taken on the wing
	large American birds that characteristically catch insects on the wing