kerf vs slit

kerf

verb
  • To cut a piece of wood or other material with several kerfs to allow it to be bent. 

noun
  • The portion or quantity (e.g. of wood, hay, turf, wool, etc.) removed or cut off in a given stroke. 

  • The distance between diverging saw teeth. 

  • The flattened, cut-off end of a branch or tree; a stump or sawn-off cross-section. 

  • The groove or slit created by cutting or sawing something; an incision. 

slit

verb
  • To split into strips by lengthwise cuts. 

  • To cut a narrow opening. 

  • To cut; to sever; to divide. 

adj
  • Having a cut narrow opening 

noun
  • A narrow cut or opening; a slot. 

  • The opening of the vagina. 

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

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