bush league vs student

bush league

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

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

adj
  • Of inferior quality. 

  • Amateurish, unprofessional, unpolished, juvenile. 

student

noun
  • A person who is enrolled at a college or university (as contrasted with a pupil or schoolchild attending a primary or secondary school). 

  • A person who studies or learns about a particular subject. 

  • A person who is formally enrolled at a school, a college or university, or another educational institution. 

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