clean up vs mend

clean up

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

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

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

  • 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. 

mend

verb
  • To repair (something that is torn, broken, defaced, decayed, or otherwise damaged) 

  • To grow better; to advance to a better state; to become improved. 

  • To put in a better state; to set right; to reform; 

  • To quicken 

  • To help, to advance, to further; to add to. 

noun
  • A place, as in clothing, which has been repaired by mending. 

  • The act of repairing or recovering. 

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