inexact vs unthorough

inexact

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

  • having a path-dependent integral 

  • Imprecisely or indefinitely conceived or stated. 

unthorough

adj
  • Not thorough. 

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