擂潰 （ライカイ） grinding

擂盆 （ライボン） mortar (for grinding), mortar-shaped container

擦る （する） to rub, to chafe, to strike (match), to file, to frost (glass), to lose (e.g. a match), to forfeit, to squander one's money (e.g. through gambling, Pachinko, etc.)