Mary Jane vs weed

Mary Jane and weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mary Jane	Yes	No	No	No
weed	Yes	No	Yes	No

As nouns, Mary Jane and weed are synonyms defined as:

Other synonyms of Mary Jane include dope, gage, grass, green goddess, locoweed, pot, sens, sess, skunk, smoke.

Mary Jane (noun)	weed (noun)
street names for marijuana	street names for marijuana
	a black band worn by a man (on the arm or hat) as a sign of mourning
	any plant that crowds out cultivated plants

Mary Jane (verb)	weed (verb)
	clear of weeds