lividity vs pock

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. 

pock

noun
  • Any pit, especially one formed as a scar 

  • A pus-filled swelling on the surface on the skin caused by an eruptive disease. 

verb
  • To scar or mark with pits 

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