beguile vs string on

beguile

verb
  • To deceive or delude (using guile). 

  • To charm, delight or captivate. 

  • To cause (time) to seem to pass quickly, by way of pleasant diversion. 

string on

verb
  • To continue to convince (someone) of something untrue; to maintain a lie or scam aimed at (someone). 

How often have the words beguile and string on occurred in a corpus of books? (source: Google Ngram Viewer )