cadge vs cross one's fingers

cadge

verb
  • To beg. 

  • To carry, as a burden. 

  • To intrude or live on another meanly; to beg. 

  • To obtain something by wit or guile; to convince people to do something they might not normally do. 

  • To carry hawks and other birds of prey. 

  • To hawk or peddle, as fish, poultry, etc. 

noun
  • A circular frame on which cadgers carry hawks for sale. 

cross one's fingers

verb
  • when wishing for luck, or 

  • when telling a lie (and attempting to escape the moral and other consequence of that lie). 

  • To put the middle finger across the index finger, especially 

How often have the words cadge and cross one's fingers occurred in a corpus of books? (source: Google Ngram Viewer )