depiction vs portrayal

depiction and portrayal both are nouns.

Word	Noun	Adjective	Verb	Adverb
depiction	Yes	No	No	No
portrayal	Yes	No	No	No

As nouns, depiction and portrayal are synonyms defined as:

Other synonyms of depiction include delineation.

As nouns, depiction and portrayal are synonyms defined as:

Other synonyms of depiction include depicting, portraying.

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

Other hyponyms of depiction include epithet, portrait, portraiture.

depiction (noun)	portrayal (noun)
representation by drawing or painting etc	representation by drawing or painting etc
a drawing of the outlines of forms or objects	acting the part of a character on stage; dramatically representing the character by speech and action and gesture
a representation by picture or portraiture	any likeness of a person, in any medium
a graphic or vivid verbal description	a representation by picture or portraiture
	a word picture of a person's appearance and character