instill vs impress

instill is not a noun while impress is a noun.

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

As verbs, instill and impress are synonyms defined as:

Other synonyms of instill include ingrain.

As verbs, impress is a hypernym of instill; that is, impress is a word with a broader meaning than instill:

Other hypernyms of instill include affect, move, strike.

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

instill (verb)	impress (verb)
fill, as with a certain quality	dye (fabric) before it is spun
produce or try to produce a vivid impression of	produce or try to produce a vivid impression of
teach and impress by frequent repetitions or admonitions	mark or stamp with or as if with pressure
enter drop by drop	take (someone) against his will for compulsory service, especially on board a ship
impart gradually	reproduce by printing
	impress positively
	have an emotional or cognitive impact upon