corrasion vs scar

corrasion

noun
  • Corrading (erosion by abrasion) caused by such as: wind-blown or water-borne sand, stream-borne or glacier-borne stones, or collisions between stones under the influence of seaside breakers. 

  • The wearing away of surface material. 

scar

noun
  • A rock in the sea breaking out from the surface of the water. 

  • A permanent mark on the skin, sometimes caused by the healing of a wound. 

  • A cliff or rock outcrop. 

  • A bare rocky place on the side of a hill or mountain. 

  • A permanent negative effect on someone's mind, caused by a traumatic experience. 

  • Any permanent mark resulting from damage. 

  • A marine food fish, the scarus or parrotfish (family Scaridae). 

verb
  • To mark the skin permanently. 

  • To form a scar. 

  • To affect deeply in a traumatic manner. 

How often have the words corrasion and scar occurred in a corpus of books? (source: Google Ngram Viewer )