apportion vs divide

apportion is not a noun while divide is a noun.

Word	Noun	Adjective	Verb	Adverb
apportion	No	No	Yes	No
divide	Yes	No	Yes	No

apportion (noun)	divide (noun)
	a ridge of land that separates two adjacent river systems
	a serious disagreement between two groups of people (typically producing tension or hostility)

apportion (verb)	divide (verb)
give out as one's portion or share	perform a division
distribute according to a plan or set apart for a special purpose	move or break apart
	force, take, or pull apart
	make a division or separation
	separate into parts or portions
	act as a barrier between; stand between