portrayal vs likeness

portrayal and likeness both are nouns.

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

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

Other hypernyms of portrayal include semblance.

portrayal (noun)	likeness (noun)
representation by drawing or painting etc	picture consisting of a graphic image of a person or thing
acting the part of a character on stage; dramatically representing the character by speech and action and gesture	similarity in appearance or character or nature between persons or things
any likeness of a person, in any medium
a representation by picture or portraiture
a word picture of a person's appearance and character