bush league vs inexact

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. 

inexact

adj
  • Imperfectly conforming; exceeding or falling short in some respect. 

  • having a path-dependent integral 

  • Imprecisely or indefinitely conceived or stated. 

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