stinking chamomile vs mayweed

stinking chamomile and mayweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinking chamomile	Yes	No	No	No
mayweed	Yes	No	No	No

As nouns, stinking chamomile and mayweed are synonyms defined as:

stinking chamomile and mayweed: widespread rank-smelling weed having white-rayed flower heads with yellow discs

Other synonyms of stinking chamomile include Anthemis cotula, dog fennel, stinking mayweed.

stinking chamomile (noun)	mayweed (noun)
widespread rank-smelling weed having white-rayed flower heads with yellow discs	widespread rank-smelling weed having white-rayed flower heads with yellow discs