clean up vs neglect

clean up

verb
  • To become clean, handsome, smart in appearance, e.g. for a special occasion, especially when it is out of character to be seen as such. 

  • To make a large profit; to win by a large margin, or to win a large amount, especially in gambling. Also clean house. 

  • To make an area or a thing clean; to pick up a mess; to tidy. 

  • To intervene in a fight between two players at low health and easily kill both of them or the winner. 

neglect

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

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

  • To fail to care for or attend to something. 

  • 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. 

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