engage vs turn off

engage

verb
  • To attract, to please; (archaic) to fascinate or win over (someone). 

  • To enter into conflict with (an enemy). 

  • To come into gear with. 

  • To enter into (an activity), to participate (construed with in). 

  • To draw into conversation. 

  • To mesh or interlock (of machinery, especially a clutch). 

  • To guarantee or promise (to do something). 

  • To engross or hold the attention of; to keep busy or occupied. 

  • To arrange to employ or use (a worker, a space, etc.). 

  • To bind through legal or moral obligation (to do something, especially to marry) (usually in passive). 

  • To enter into battle. 

turn off

verb
  • To repulse, disgust, or discourage (someone). 

  • To leave a road; to exit. 

  • To become deactivated; to become powered down. 

  • To power down, to switch off, to put out of operation, to deactivate (an appliance, light, mechanism, functionality etc.). 

  • To rotate a tap or valve so as to interrupt the outflow of liquid or gas. 

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