engage vs quit

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. 

quit

verb
  • To abandon, renounce (a thing). 

  • To leave (a place). 

  • To release from obligation, accusation, penalty, etc.; to absolve; to acquit. 

  • To stop, give up (an activity) (usually + gerund or verbal noun). 

  • To resign from (a job, office, position, etc.). 

  • To close (an application). 

  • To set at rest; to free, as from anything harmful or oppressive; to relieve; to clear; to liberate. 

noun
  • Any of numerous species of small passerine birds native to tropical America. 

adj
  • Released from obligation, penalty, etc; free, clear, or rid. 

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