delineation vs characterization

delineation and characterization both are nouns.

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

As nouns, delineation and characterization are synonyms defined as:

Other synonyms of delineation include characterisation, depiction, picture, word-painting, word picture.

delineation (noun)	characterization (noun)
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	a graphic or vivid verbal description
a graphic or vivid verbal description	the act of describing distinctive characteristics or essential features