bristly oxtongue vs weed

bristly oxtongue and weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
bristly oxtongue	Yes	No	No	No
weed	Yes	No	Yes	No

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

bristly oxtongue: widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
weed: any plant that crowds out cultivated plants

bristly oxtongue (noun)	weed (noun)
widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States	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

bristly oxtongue (verb)	weed (verb)
	clear of weeds