gallet vs kerf

gallet

verb
  • To use this masonry technique. 

noun
  • A splinter of stone inserted into the wet mortar of masonry. 

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. 

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