stinking mayweed vs mayweed

stinking mayweed and mayweed both are nouns.

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

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

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

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

stinking mayweed (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