delineation vs characterisation

delineation and characterisation both are nouns.

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

As nouns, delineation and characterisation are synonyms defined as:

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

delineation (noun)	characterisation (noun)
representation by drawing or painting etc	a graphic or vivid verbal description
a drawing of the outlines of forms or objects	the act of describing distinctive characteristics or essential features
a graphic or vivid verbal description