kiss of death vs prosperity

kiss of death

noun
  • A kiss on the cheek that signifies the death of the receiver, as delivered by a mob boss or one with such influence. 

  • Something that may seem good and favourable but that actually brings ruin to hopes, plans, etc. 

prosperity

noun
  • The condition of being prosperous, of having good fortune 

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