word picture vs characterization

word picture and characterization both are nouns.

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

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

word picture and characterization: a graphic or vivid verbal description

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

word picture (noun)	characterization (noun)
a graphic or vivid verbal description	acting the part of a character on stage; dramatically representing the character by speech and action and gesture
	a graphic or vivid verbal description
	the act of describing distinctive characteristics or essential features