greeting card vs sympathy card

greeting card

noun
  • A card, typically folded in half and available commercially, that is sent to someone as a greeting. (This entry is a translation hub.) 

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 greeting card and sympathy card occurred in a corpus of books? (source: Google Ngram Viewer )