Melolontha melolontha vs cockchafer

Melolontha melolontha and cockchafer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Melolontha melolontha	Yes	No	No	No
cockchafer	Yes	No	No	No

As nouns, Melolontha melolontha and cockchafer are synonyms defined as:

Melolontha melolontha and cockchafer: any of various large European beetles destructive to vegetation as both larvae and adult

Other synonyms of Melolontha melolontha include May beetle, May bug.

Melolontha melolontha (noun)	cockchafer (noun)
any of various large European beetles destructive to vegetation as both larvae and adult	any of various large European beetles destructive to vegetation as both larvae and adult