incapacitated vs out on one's feet

incapacitated

adj
  • Rendered unable to act; restricted from taking action. 

verb
  • simple past tense of incapacitate 

out on one's feet

adj
  • Standing erect but not consciously aware of one's surroundings, or only minimally aware, and having little or no ability to control one's bodily actions, as a result of physical injury or exhaustion. 

  • Stupefied; dazed; nonfunctional. 

How often have the words incapacitated and out on one's feet occurred in a corpus of books? (source: Google Ngram Viewer )