portray vs portraiture

portray is not a noun while portraiture is a noun.

Word	Noun	Adjective	Verb	Adverb
portray	No	No	Yes	No
portraiture	Yes	No	No	No

portray (noun)	portraiture (noun)
	the activity of making portraits
	a word picture of a person's appearance and character

portray (verb)	portraiture (verb)
portray in words
make a portrait of
assume or act the character of
represent abstractly, for example in a painting, drawing, or sculpture