bush league vs junky

bush league

adj
  • Of inferior quality. 

  • Amateurish, unprofessional, unpolished, juvenile. 

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

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

junky

adj
  • Resembling or characteristic of junk; cheap, worthless, or of low quality. 

  • Full of junk. 

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