portrayal vs depiction

portrayal and depiction both are nouns.

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

As nouns, portrayal and depiction are synonyms defined as:

Other synonyms of portrayal include delineation.

As nouns, portrayal and depiction are synonyms defined as:

Other synonyms of portrayal include depicting, portraying.

As nouns, depiction is a hypernym of portrayal; that is, depiction is a word with a broader meaning than portrayal:

Other hypernyms of portrayal include characterisation, characterization, delineation, picture, word-painting, word picture.

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