even up vs level up

even up

verb
  • To make even; to make level. 

  • To become even. 

  • To secure a profit to offset a previous loss. 

level up

verb
  • To raise to the same level or status; to improve so as to make as good as others. 

  • To progress to the next level of player character stats and abilities, often by acquiring experience points in role-playing games. 

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