reenter vs rekey

reenter

verb
  • To enter again; retype, reinput. 

  • To enter again; return into. 

  • To cut deeper where the aqua fortis has not bitten sufficiently. 

rekey

verb
  • To change the key or tenor of; to reframe. 

  • To modify (a lock or its cylinder) to change which keys will open it. 

  • To enter information into a device, such as a keyboard or keypad, after it has been done at least once before. 

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