coreid vs hemipteron

coreid and hemipteron both are nouns.

Word	Noun	Adjective	Verb	Adverb
coreid	Yes	No	No	No
hemipteron	Yes	No	No	No

As nouns, hemipteron is a hypernym of coreid; that is, hemipteron is a word with a broader meaning than coreid:

coreid: a true bug
hemipteron: insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis

Other hypernyms of coreid include bug, hemipteran, hemipterous insect.

coreid (noun)	hemipteron (noun)
a true bug	insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis