suborder Blattodea vs Blattaria

suborder Blattodea and Blattaria both are nouns.

Word	Noun	Adjective	Verb	Adverb
suborder Blattodea	Yes	No	No	No
Blattaria	Yes	No	No	No

As nouns, suborder Blattodea and Blattaria are synonyms defined as:

suborder Blattodea and Blattaria: cockroaches; in some classifications considered an order

Other synonyms of suborder Blattodea include Blattodea, suborder Blattaria.

suborder Blattodea (noun)	Blattaria (noun)
cockroaches; in some classifications considered an order	cockroaches; in some classifications considered an order