condolences vs sentiment

condolences

noun
  • comfort, support, or sympathy offered especially to the family and friends of somebody who has died. 

intj
  • Expressing sympathy to someone, especially after learning of a close death. 

sentiment

noun
  • Feelings, especially tender feelings, as apart from reason or judgment, or of a weak or foolish kind. 

  • A general thought, feeling, or sense. 

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