fragmentize vs fall apart

fragmentize and fall apart both are verbs.

Word	Noun	Adjective	Verb	Adverb
fragmentize	No	No	Yes	No
fall apart	No	No	Yes	No

As verbs, fall apart is a hypernym of fragmentize; that is, fall apart is a word with a broader meaning than fragmentize:

Other hypernyms of fragmentize include break, come apart, separate, split up.

fragmentize (verb)	fall apart (verb)
break or cause to break into pieces	become separated into pieces or fragments
	break or fall apart into fragments
	go to pieces
	lose one's emotional or mental composure