corn mayweed vs Anthemis arvensis

corn mayweed and Anthemis arvensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
corn mayweed	Yes	No	No	No
Anthemis arvensis	Yes	No	No	No

As nouns, corn mayweed and Anthemis arvensis are synonyms defined as:

corn mayweed and Anthemis arvensis: European white-flowered weed naturalized in North America

Other synonyms of corn mayweed include corn chamomile, field chamomile.

corn mayweed (noun)	Anthemis arvensis (noun)
ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria	European white-flowered weed naturalized in North America
European white-flowered weed naturalized in North America