take off vs unlist

take off

verb
  • To remove. 

  • To depart. 

  • To absent oneself from (work or other responsibility), especially with permission. 

  • To quantify. 

  • To leave the ground and begin flight; to ascend into the air. 

  • To imitate, often in a satirical manner. 

  • To become successful, to flourish. 

unlist

verb
  • To undo the process of listing; to remove something from a list. 

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