bush league vs inexpedient

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. 

inexpedient

adj
  • Not expedient; not tending to promote a purpose; not tending to the end desired; unsuitable to time and place 

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