flying kiss vs smooch

flying kiss

noun
  • A symbolic kiss given by kissing one's own hand, then blowing on the hand in a direction towards the recipient. 

  • An air kiss. 

smooch

noun
  • A kiss, especially that which is on the cheek. 

verb
  • To kiss. 

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