exercised vs incompetent

exercised

adj
  • The property of having been exercised, used, acted upon. 

  • Practiced, trained, experienced. 

incompetent

noun
  • A person who is incompetent. 

adj
  • Not resistant to deformation or flow. 

  • Unable to make rational decisions; insane or otherwise cognitively impaired. 

  • Opening too early during pregnancy, resulting in miscarriage or premature birth. 

  • Unskilled; lacking the degree of ability that would normally be expected. 

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