Blattodea vs Blattaria

Blattodea and Blattaria both are nouns.

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

As nouns, Blattodea and Blattaria are synonyms defined as:

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

Other synonyms of Blattodea include suborder Blattaria, suborder Blattodea.

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