capping vs perfecting

capping

noun
  • The process of covering a borehole in order to seal an oil well. 

  • The selling of a security etc. close to an expiry date. 

  • The conversion of a polyhedron into a stellated polyhedron by raising a pyramid on each face. 

  • The recording of a television broadcast to one's computer. 

  • The method of capitalizing every other word in social media titling and tagging to improve readability over unmixed case. Example: #CAPPINGimprovesREADABILITY. 

  • Lying or exaggerating. 

  • The act of removing one's hat as a token of respect. 

  • the leached upper part of a body or rock that still contains disseminated sulphide mineral deposit. 

perfecting

noun
  • The process of printing on both sides of the printed-on material during its single pass through the printing press. 

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