impress vs motivate

impress is a noun but motivate is not a noun.

Word	Noun	Adjective	Verb	Adverb
impress	Yes	No	Yes	No
motivate	No	No	Yes	No

impress (noun)	motivate (noun)
the act of coercing someone into government service

impress (verb)	motivate (verb)
dye (fabric) before it is spun	give an incentive for action
produce or try to produce a vivid impression of
mark or stamp with or as if with pressure
take (someone) against his will for compulsory service, especially on board a ship
reproduce by printing
impress positively
have an emotional or cognitive impact upon