Balkanise vs split up

Balkanise is not a noun while split up is a noun.

Word	Noun	Adjective	Verb	Adverb
Balkanise	No	No	Yes	No
split up	Yes	No	Yes	No

As verbs, split up is a hypernym of Balkanise; that is, split up is a word with a broader meaning than Balkanise:

Other hypernyms of Balkanise include carve up, dissever, divide, separate, split.

Balkanise (noun)	split up (noun)
	an increase in the number of outstanding shares of a corporation without changing the shareholders' equity

Balkanise (verb)	split up (verb)
divide a territory into small, hostile states	become separated into pieces or fragments
	get a divorce; formally terminate a marriage
	discontinue an association or relation; go different ways
	separate into parts or portions