scarification vs slit

scarification

noun
  • A route of administration for some vaccinations and tests: rather than hypodermic injection, the site is inoculated intradermally not with any injection but rather only with small, shallow pricks or scratches; the needle is not hollow. 

  • A medieval form of penance in which the skin was damaged with a knife or hot iron. 

  • The act of scarifying: raking the ground harshly to remove weeds, etc. 

  • The scratching, etching, burning / branding, or superficially cutting designs, pictures, or words into the skin as a permanent body modification. 

slit

noun
  • The opening of the vagina. 

  • A narrow cut or opening; a slot. 

  • A woman, usually a sexually loose woman; a prostitute. 

adj
  • Having a cut narrow opening 

verb
  • To split into strips by lengthwise cuts. 

  • To cut a narrow opening. 

  • To cut; to sever; to divide. 

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