capping vs closing

capping

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

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

  • 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. 

closing

noun
  • The final procedure in a house sale, when documents are signed and recorded. 

  • In morphology, the erosion of the dilation of a set. 

  • The act by which something is closed. 

  • The end or conclusion of something. 

adj
  • Pertaining to the finish or ending of a series of events; occurring at the end or after all others. 

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