class Insecta vs order Dermaptera

class Insecta and order Dermaptera both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Insecta	Yes	No	No	No
order Dermaptera	Yes	No	No	No

class Insecta (noun)	order Dermaptera (noun)
insects; about five-sixths of all known animal species	earwigs and a few related forms