employed vs surgical

employed

adj
  • Used; in use. 

  • In a job; working. 

surgical

adj
  • Of, relating to, used in, or resulting from surgery. 

  • Precise or very accurate. 

  • Excruciatingly or wearyingly drawn-out 

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