tyrannid vs passeriform bird

tyrannid and passeriform bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
tyrannid	Yes	No	No	No
passeriform bird	Yes	No	No	No

As nouns, passeriform bird is a hypernym of tyrannid; that is, passeriform bird is a word with a broader meaning than tyrannid:

tyrannid: a passerine bird of the suborder Tyranni
passeriform bird: perching birds mostly small and living near the ground with feet having 4 toes arranged to allow for gripping the perch; most are songbirds; hatchlings are helpless

Other hypernyms of tyrannid include passerine.

tyrannid (noun)	passeriform bird (noun)
a passerine bird of the suborder Tyranni	perching birds mostly small and living near the ground with feet having 4 toes arranged to allow for gripping the perch; most are songbirds; hatchlings are helpless