coreid vs squash bug

coreid and squash bug both are nouns.

Word	Noun	Adjective	Verb	Adverb
coreid	Yes	No	No	No
squash bug	Yes	No	No	No

As nouns, squash bug is a hyponym of coreid; that is, squash bug is a word with a more specific, narrower meaning than coreid:

coreid: a true bug
squash bug: large black American bug that sucks sap of vines of the gourd family

Other hyponyms of coreid include Anasa tristis, leaf-foot bug, leaf-footed bug.

coreid (noun)	squash bug (noun)
a true bug	large black American bug that sucks sap of vines of the gourd family