countenance vs reassuring

countenance

noun
  • Favour; support; encouragement. 

  • Appearance, especially the features and expression of the face. 

  • Calm facial expression, composure, self-control. 

verb
  • To tolerate, support, sanction, patronise or approve of something. 

reassuring

noun
  • reassurance 

adj
  • That reassures; causing comfort or confidence. 

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