bush league vs mangy

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. 

mangy

adj
  • Worn and squalid-looking; bedraggled or decrepit. 

  • Afflicted, or looking as if afflicted, with mange. 

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