磨り会わせる
すりあわせる to fit by rubbing together

磨り出す
すりだす to polish

磨り崩す
すりくずす to rub to pieces

磨り消す
すりけす to erase to efface

磨り減らす
すりへらす to wear away to rub down to abrade

磨り減る
すりへる to be worn down to be reduced

磨り潰す
すりつぶす to pulverize to mash to deface to lose a fortune

磨り砕く
すりくだく to rub to pieces to grind into powder