bush league vs shifty

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. 

shifty

adj
  • Having the appearance of being dishonest, criminal, or unreliable. 

  • Moving from one object to another; not looking directly and steadily at the person with whom one is speaking. 

  • Subject to frequent changes in direction. 

  • Resourceful; full of, or ready with, shifts or expedients. 

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