deoxidation vs receding

deoxidation

noun
  • The process of extracting the oxygen content of a dissolved oxide, or of removing dissolved oxygen, with the aid of a reducing agent. 

receding

noun
  • The action of something that recedes. 

  • A recessed part. 

adj
  • Going or moving back or further away from a previous position; gradually diminishing. 

  • That recedes. 

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