characterisation vs word picture

characterisation and word picture both are nouns.

Word	Noun	Adjective	Verb	Adverb
characterisation	Yes	No	No	No
word picture	Yes	No	No	No

As nouns, characterisation and word picture are synonyms defined as:

characterisation and word picture: a graphic or vivid verbal description

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

characterisation (noun)	word picture (noun)
a graphic or vivid verbal description	a graphic or vivid verbal description
the act of describing distinctive characteristics or essential features