wormseed mustard vs weed

wormseed mustard and weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
wormseed mustard	Yes	No	No	No
weed	Yes	No	Yes	No

As nouns, weed is a hypernym of wormseed mustard; that is, weed is a word with a broader meaning than wormseed mustard:

wormseed mustard: slender yellow-flowered European mustard often troublesome as a weed; formerly used as an anthelmintic
weed: any plant that crowds out cultivated plants

wormseed mustard (noun)	weed (noun)
slender yellow-flowered European mustard often troublesome as a weed; formerly used as an anthelmintic	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

wormseed mustard (verb)	weed (verb)
	clear of weeds