repairment vs replacement

repairment

noun
  • The act of repairing. 

replacement

noun
  • The act of replacing something. 

  • The removal of an edge of crystal, by one plane or more. 

  • A person or thing that takes the place of another; a substitute. 

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