rouge vs blush

rouge and blush both are nouns.

Word	Noun	Adjective	Verb	Adverb
rouge	Yes	No	Yes	No
blush	Yes	No	Yes	No

As nouns, rouge and blush are synonyms defined as:

rouge and blush: makeup consisting of a pink or red powder applied to the cheeks

Other synonyms of rouge include blusher, paint.

rouge (noun)	blush (noun)
makeup consisting of a pink or red powder applied to the cheeks	sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
	makeup consisting of a pink or red powder applied to the cheeks
	a rosy color (especially in the cheeks) taken as a sign of good health

rouge (verb)	blush (verb)
redden by applying rouge to	turn red, as if in embarrassment or shame
	become rosy or reddish