unpick vs divide

unpick is not a noun while divide is a noun.

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

unpick (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)

unpick (verb)	divide (verb)
become or cause to become undone by separating the fibers or threads of	perform a division
undo (the stitches) of (a piece of sewing)	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