chamfer vs undercut

chamfer

verb
  • To cut off the edge or corner of something. 

  • To cut a groove in something. 

noun
  • An obtuse-angled relief or cut at an edge added for a finished appearance and to break sharp edges. 

undercut

verb
  • To create an overhang by cutting away material from underneath. 

  • To undermine. 

  • To sell (something) at a lower price, or to work for lower wages, than a competitor. 

  • To strike a heavy blow upward. 

noun
  • The underside of a sirloin of beef; the fillet. 

  • A cut made in the lower part of something; the material so removed. 

  • The notch cut in a tree to direct its fall when being felled. 

  • A hairstyle that is shaved or clipped short on the sides and kept long on the top. 

  • A blow dealt upward. 

  • A section of a mold or pattern with negative draft angle 

  • A pit stop strategy in which a driver seeks to gain an advantage over someone by pitting before them and using fresh tyres to make up time. 

adj
  • Designed so as to cut from the underside. 

  • Having the parts in relief cut under. 

  • Produced by undercutting. 

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