neglect vs take on

neglect

verb
  • To fail to do or carry out something due to oversight or carelessness. 

  • To fail to care for or attend to something. 

  • To omit to notice; to forbear to treat with attention or respect; to slight. 

  • To ignore for the sake of simplifying calculations without significantly affecting accuracy. 

noun
  • Habitual lack of care. 

  • The act of neglecting. 

  • The state of being neglected. 

take on

verb
  • To assume or take responsibility for. 

  • To (attempt to) dribble round (an opposition player). 

  • To catch on, do well; to become popular. 

  • To obtain the services of (a person) in exchange for remuneration; to give someone a job. 

  • To begin to have or exhibit. 

  • To attempt to fight, compete with, or engage with. 

  • To acquire, bring in, or introduce. 

  • To grieve or be concerned (about something or someone). 

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