carabid beetle vs ground beetle

carabid beetle and ground beetle both are nouns.

Word	Noun	Adjective	Verb	Adverb
carabid beetle	Yes	No	No	No
ground beetle	Yes	No	No	No

As nouns, carabid beetle and ground beetle are synonyms defined as:

carabid beetle and ground beetle: predacious shining black or metallic terrestrial beetle that destroys many injurious insects

carabid beetle (noun)	ground beetle (noun)
predacious shining black or metallic terrestrial beetle that destroys many injurious insects	predacious shining black or metallic terrestrial beetle that destroys many injurious insects