impressive vs impress

impressive is not a noun while impress is a noun.

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

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

impressive (adjective)	impress (adjective)
making a strong or vivid impression
producing a strong effect

impressive (verb)	impress (verb)
	dye (fabric) before it is spun
	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