knawel vs weed

knawel and weed both are nouns.

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

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

knawel: widely distributed low-growing Eurasian herb having narrow leaves and inconspicuous green flowers
weed: any plant that crowds out cultivated plants

knawel (noun)	weed (noun)
widely distributed low-growing Eurasian herb having narrow leaves and inconspicuous green flowers	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

knawel (verb)	weed (verb)
	clear of weeds