subclass Exopterygota vs Hemimetabola

subclass Exopterygota and Hemimetabola both are nouns.

Word	Noun	Adjective	Verb	Adverb
subclass Exopterygota	Yes	No	No	No
Hemimetabola	Yes	No	No	No

As nouns, subclass Exopterygota and Hemimetabola are synonyms defined as:

subclass Exopterygota and Hemimetabola: subclass of insects characterized by gradual and usually incomplete metamorphosis

Other synonyms of subclass Exopterygota include Exopterygota.

subclass Exopterygota (noun)	Hemimetabola (noun)
subclass of insects characterized by gradual and usually incomplete metamorphosis	subclass of insects characterized by gradual and usually incomplete metamorphosis