hors de combat vs incapacitated

hors de combat

adj

  • Out of action; disabled; no longer able to fight. 

incapacitated

adj

  • Rendered unable to act; restricted from taking action. 

verb

  • simple past tense of incapacitate 

How often have the words hors de combat and incapacitated occurred in a corpus of books? (source: Google Ngram Viewer )