confident vs hangdog

confident

adj
  • Very sure of something; positive. 

  • Self-assured, self-reliant, sure of oneself. 

hangdog

verb
  • To move or loiter in a sneaking or ashamed manner. 

noun
  • A base, degraded person. 

adj
  • Low; sneaking; ashamed. 

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