discontinue vs fracture

discontinue is not a noun while fracture is a noun.

Word	Noun	Adjective	Verb	Adverb
discontinue	No	No	Yes	No
fracture	Yes	No	Yes	No

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

Other hyponyms of discontinue include bog, bog down, break up, cut off, disrupt, interrupt.

discontinue (noun)	fracture (noun)
	the act of cracking something
	(geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other
	breaking of hard tissue such as bone

discontinue (verb)	fracture (verb)
prevent completion	fracture a bone of
put an end to a state or an activity	become fractured
come to or be at an end	violate or abuse
	break into pieces
	interrupt, break, or destroy