lividity vs suggillation

lividity

noun
  • Livor mortis, suggillation. 

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

  • The state or quality of being livid. 

suggillation

noun
  • Livor mortis; postmortem lividity. 

  • A livid mark; a blow; a bruise. 

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