migrate vs migration

migrate is not a noun while migration is a noun.

Word	Noun	Adjective	Verb	Adverb
migrate	No	No	Yes	No
migration	Yes	No	No	No

migrate (noun)	migration (noun)
	the movement of persons from one country or locality to another
	the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
	(chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule
	a group of people migrating together (especially in some given time period)

migrate (verb)	migration (verb)
move from one country or region to another and settle there
move periodically or seasonally