oscine bird vs suborder Oscines

oscine bird and suborder Oscines both are nouns.

Word	Noun	Adjective	Verb	Adverb
oscine bird	Yes	No	No	No
suborder Oscines	Yes	No	No	No

oscine bird (noun)	suborder Oscines (noun)
passerine bird having specialized vocal apparatus	two names for the suborder of typical songbirds