delineation vs portrait

delineation and portrait both are nouns.

Word	Noun	Adjective	Verb	Adverb
delineation	Yes	No	No	No
portrait	Yes	No	No	No

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

Other hyponyms of delineation include epithet, portraiture, portrayal.

delineation (noun)	portrait (noun)
representation by drawing or painting etc	any likeness of a person, in any medium
a drawing of the outlines of forms or objects	a word picture of a person's appearance and character
a graphic or vivid verbal description