Neuroptera vs class Insecta

Neuroptera and class Insecta both are nouns.

Word	Noun	Adjective	Verb	Adverb
Neuroptera	Yes	No	No	No
class Insecta	Yes	No	No	No

Neuroptera (noun)	class Insecta (noun)
an order of insects including: lacewings, antlions, dobsonflies, alderflies, fish flies, mantispids, spongeflies	insects; about five-sixths of all known animal species