coax vs twist one’s arm

coax

verb
  • To carefully manipulate (someone or something) into a particular desired state, situation or position. 

  • To wheedle or persuade (a person, organisation, animal etc.) gradually or by use of flattery to do something. 

twist one’s arm

How often have the words coax and twist one’s arm occurred in a corpus of books? (source: Google Ngram Viewer )