bush league vs impotent

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. 

impotent

adj
  • lacking in power, as to act effectively; helpless 

  • lacking physical strength or vigor; weak 

  • incapable of sexual intercourse, often because of an inability to achieve or sustain an erection, having impotentia coeundi 

  • sterile 

noun
  • a man who has erectile dysfunction 

  • an impotent or powerless person 

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