actuality vs realism

actuality and realism both are nouns.

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

As nouns, realism is a hyponym of actuality; that is, realism is a word with a more specific, narrower meaning than actuality:

Other hyponyms of actuality include entelechy, genuineness, reality, realness, reality, the true, trueness, truth, verity.

actuality (noun)	realism (noun)
the state of actually existing objectively	the attribute of accepting the facts of life and favoring practicality and literal truth
	(philosophy) the philosophical doctrine that physical objects continue to exist when not perceived
	(philosophy) the philosophical doctrine that abstract concepts exist independent of their names
	an artistic movement in 19th century France; artists and writers strove for detailed realistic and factual description
	the state of being actual or real