coax vs warn

coax

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

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

warn

verb
  • To caution or admonish (someone) against unwise or unacceptable behaviour. 

  • To notify or inform (someone, about something). 

  • To give warning. 

  • To summon (someone) to or inform of a formal meeting or duty. 

  • To advise or order to go or stay away. 

  • To make (someone) aware of impending danger, evil, etc. 

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