New World flycatcher vs tyrant bird

New World flycatcher and tyrant bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
New World flycatcher	Yes	No	No	No
tyrant bird	Yes	No	No	No

As nouns, New World flycatcher and tyrant bird are synonyms defined as:

New World flycatcher and tyrant bird: large American birds that characteristically catch insects on the wing

Other synonyms of New World flycatcher include flycatcher, tyrant flycatcher.

New World flycatcher (noun)	tyrant bird (noun)
large American birds that characteristically catch insects on the wing	large American birds that characteristically catch insects on the wing