擦

サツ

す.る、す.れる、-ず.れ、こす.る、こす.れる

擦, 扌, 察, 宀, 冖, 祭, 月, 示

手

grate, rub, scratch, scrape, chafe, scour

摩擦(まさつ): friction; rubbing; rubdown; chafe
擦る(する): (1) to rub; to chafe; to strike (match); to file; to frost (glass) (2) to lose (e.g. a match); to forfeit; to squander one's money (e.g. through gambling, Pachinko, etc.)
擦る(こする): to rub; to scrub
擦れる(すれる): (1) to rub; to chafe (2) to wear out; to become worn (3) to lose one's innocence; to become sly