reflective vs unstudied

reflective

adj
  • Involving reflection. 

  • Reciprocal. 

  • That reveals or shows; revealing; indicative of. 

  • That reflects, or redirects back to the source. 

  • Pondering, especially thinking back on the past. 

unstudied

adj
  • Free of artifice or cunning; innocent, spontaneous and unaffected. 

  • Not gained by study. 

  • Not studied. 

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