knell vs toll

knell and toll both are nouns.

Word	Noun	Adjective	Verb	Adverb
knell	Yes	No	Yes	No
toll	Yes	No	Yes	No

As nouns, toll is a hypernym of knell; that is, toll is a word with a broader meaning than knell:

knell: the sound of a bell rung slowly to announce a death or a funeral or the end of something
toll: the sound of a bell being struck

Other hypernyms of knell include bell.

As verbs, toll is a hyponym of knell; that is, toll is a word with a more specific, narrower meaning than knell:

knell (noun)	toll (noun)
the sound of a bell rung slowly to announce a death or a funeral or the end of something	value measured by what must be given or done or undergone to obtain something
	the sound of a bell being struck
	a fee levied for the use of roads or bridges

knell (verb)	toll (verb)
ring as in announcing death	ring slowly
make (bells) ring, often for the purposes of musical edification	charge a fee for using