lividity vs skid mark

lividity

noun
  • A livid area of skin, such as a bruise, or as is often found on cadavers. 

  • Livor mortis, suggillation. 

  • The state or quality of being livid. 

skid mark

noun
  • Any other mark or stain left on a surface from a sliding or rubbing object. 

  • Any burn on the skin caused by scraping the skin against a surface. 

  • A black mark left on a road surface from the sliding or skidding tires of a motor vehicle that has lost traction. 

  • A visible feces stain left on underpants, trousers, or sometimes the toilet bowl. 

  • A mark of a soiled finger wiped on a surface. 

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