canton vs split up

canton and split up both are nouns.

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

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

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

canton (noun)	split up (noun)
a small administrative division of a country	an increase in the number of outstanding shares of a corporation without changing the shareholders' equity

canton (verb)	split up (verb)
divide into cantons, of a country	become separated into pieces or fragments
provide housing for (military personnel)	get a divorce; formally terminate a marriage
	discontinue an association or relation; go different ways
	separate into parts or portions