blusher vs blush

blusher and blush both are nouns.

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

As nouns, blusher and blush are synonyms defined as:

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

Other synonyms of blusher include paint, rouge.

blusher (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)
yellowish edible agaric that usually turns red when touched	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

blusher (verb)	blush (verb)
	turn red, as if in embarrassment or shame
	become rosy or reddish