out on one's feet vs sluggish

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. 

sluggish

adj
  • Having no power to move oneself or itself; inert. 

  • Habitually idle and lazy; slothful; dull; inactive 

  • Exhibiting economic decline, inactivity, slow or subnormal growth. 

  • Characteristic of a sluggard; dull; stupid; tame; simple. 

  • Slow; having little motion. 

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