war paint vs makeup

war paint and makeup both are nouns.

Word	Noun	Adjective	Verb	Adverb
war paint	Yes	No	No	No
makeup	Yes	No	No	No

As nouns, war paint and makeup are synonyms defined as:

war paint and makeup: cosmetics applied to the face to improve or change your appearance

Other synonyms of war paint include make-up.

war paint (noun)	makeup (noun)
full ceremonial regalia	cosmetics applied to the face to improve or change your appearance
adornment consisting of paint applied to the face and body of certain Amerindians before a battle	the way in which someone or something is composed
cosmetics applied to the face to improve or change your appearance	an event that is substituted for a previously cancelled event