gesture vs warn

gesture

verb
  • To express something by a gesture or gestures. 

  • To make a gesture or gestures. 

  • To accompany or illustrate with gesture or action. 

noun
  • A motion made with a pointing device, or on a touchscreen, that is recognised by the system as a command. 

  • A motion of the limbs or body, especially one made to emphasize speech. 

  • An act or a remark that serves as a formality or as a sign of attitude. 

warn

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

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

  • 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 gesture and warn occurred in a corpus of books? (source: Google Ngram Viewer )