weed vs dope

weed and dope both are nouns.

Word	Noun	Adjective	Verb	Adverb
weed	Yes	No	Yes	No
dope	Yes	No	Yes	No

As nouns, weed and dope are synonyms defined as:

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

weed (noun)	dope (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	slang terms for inside information
any plant that crowds out cultivated plants	carbonated drink flavored with extract from kola nuts
	an ignorant or foolish person

weed (verb)	dope (verb)
clear of weeds	give a narcotic to
	add impurities to (a semiconductor) in order to produce or modify its properties
	take drugs to improve one's athletic performance