fragmentise vs crumb

fragmentise is not a noun while crumb is a noun.

Word	Noun	Adjective	Verb	Adverb
fragmentise	No	No	Yes	No
crumb	Yes	No	Yes	No

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

Other hyponyms of fragmentise include atomise, atomize, bray, comminute, crunch, grind, mash, pound, sunder, sliver, splinter, rag, brecciate, crush, grate, grind.

fragmentise (noun)	crumb (noun)
	small piece of e.g. bread or cake
	a person who is deemed to be despicable or contemptible
	a very small quantity of something

fragmentise (verb)	crumb (verb)
break or cause to break into pieces	remove crumbs from
	break into crumbs
	coat with bread crumbs