raspar

verb
  1. To scrape or scratch lightly or superficially. verb
    He used a knife to raspar the burnt part off the toast.
    The cat likes to raspar its claws on the scratching post.
  2. To rub or graze the surface of something, often producing a rough or harsh sound. verb
    The branches of the tree would raspar against the window during the storm.
    She could hear the sound of the chair legs rasparing across the floor.