磨擦

磨擦	mó cā	variant of 摩擦
磨	mó	to rub / to grind / to polish / to sharpen / to wear down / to die out / to waste time / to pester / to insist
磨	mò	grindstone / to grind / to turn round
擦	cā	to rub; to scratch / to wipe; to polish / to apply (lipstick, lotion etc) / to brush (past) / to shred (a vegetable etc)