weed vs Mary Jane

weed and Mary Jane both are nouns.

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

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

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

weed (noun)	Mary Jane (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

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