suborder Oscines vs Oscines

suborder Oscines and Oscines both are nouns.

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

As nouns, suborder Oscines and Oscines are synonyms defined as:

suborder Oscines and Oscines: two names for the suborder of typical songbirds

Other synonyms of suborder Oscines include Passeres, suborder Passeres.

suborder Oscines (noun)	Oscines (noun)
two names for the suborder of typical songbirds	two names for the suborder of typical songbirds