actuality vs existence

actuality and existence both are nouns.

Word	Noun	Adjective	Verb	Adverb
actuality	Yes	No	No	No
existence	Yes	No	No	No

As nouns, existence is a hypernym of actuality; that is, existence is a word with a broader meaning than actuality:

Other hypernyms of actuality include being, beingness, face of the earth.

actuality (noun)	existence (noun)
the state of actually existing objectively	everything that exists anywhere
	the state or fact of existing