apprehensive vs daring

apprehensive

adj
  • Anticipating something with anxiety, fear, or doubt; reluctant. 

daring

adj
  • Adventurous, willing to take on or look for risks; overbold. 

  • Racy; sexually provocative. 

  • Courageous or showing bravery; doughty. 

noun
  • Boldness. 

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