divide vs unite

divide is a noun but unite is not a noun.

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

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

divide (verb)	unite (verb)
perform a division	become one
move or break apart	join or combine
force, take, or pull apart	act in concert or unite in a common purpose or belief
make a division or separation	bring together for a common purpose or action or ideology or in a shared situation
separate into parts or portions	have or possess in combination
act as a barrier between; stand between	be or become joined or united or linked