bush league vs incapacitated

bush league

adj
  • Amateurish, unprofessional, unpolished, juvenile. 

  • Of inferior quality. 

noun
  • A professional sports association at the lower levels of minor league organization. 

  • A low-ranking or inferior level among groups, professions, organizations, etc. 

incapacitated

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

verb
  • simple past tense of incapacitate 

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