intuition vs impression

intuition and impression both are nouns.

Word	Noun	Adjective	Verb	Adverb
intuition	Yes	No	No	No
impression	Yes	No	No	No

As nouns, impression is a hypernym of intuition; that is, impression is a word with a broader meaning than intuition:

Other hypernyms of intuition include belief, feeling, notion, opinion.

intuition (noun)	impression (noun)
instinctive knowing (without the use of rational processes)	an impressionistic portrayal of a person
an impression that something might be the case	the act of pressing one thing on or into the surface of another
	(dentistry) an imprint of the teeth and gums in wax or plaster
	an outward appearance
	a vague idea in which some confidence is placed
	a clear and telling mental image
	a symbol that is the result of printing or engraving
	all the copies of a work printed at one time
	a concavity in a surface produced by pressing