condolence card vs sympathy card

condolence card

noun
  • A sympathy card. 

sympathy card

noun
  • A greeting card sent to family members of one who has died to express regret. 

  • An attempt to score points in a discussion by portraying oneself as a victim in need of sympathy (used with the verb "play"). 

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