field chamomile vs corn mayweed

field chamomile and corn mayweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
field chamomile	Yes	No	No	No
corn mayweed	Yes	No	No	No

As nouns, field chamomile and corn mayweed are synonyms defined as:

field chamomile and corn mayweed: European white-flowered weed naturalized in North America

Other synonyms of field chamomile include Anthemis arvensis, corn chamomile.

field chamomile (noun)	corn mayweed (noun)
European white-flowered weed naturalized in North America	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