rueful vs unabashed

rueful

adj
  • Inspiring pity or compassion. 

  • Bad; woeful; deplorable. 

  • Causing, feeling, or expressing regret or sorrow, especially in a wry or humorous way. 

unabashed

adj
  • Not disconcerted or embarrassed. 

  • Of actions, emotions, facts, etc.: that are not concealed or disguised, or not eliciting shame. 

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