kick out vs lock out

kick out

verb
  • To stop, stall, or disconnect suddenly. 

  • To eject, dismiss, expel, or forcefully remove (someone or something). 

  • To perform a kickout. 

lock out

verb
  • To inadvertently prevent (a person, particularly oneself) from entering a place, by leaving it locked. 

  • To prevent from accessing a data structure. 

noun
  • An event in which an employer bars employees from working as a tactic in negotiating terms of employment, particularly in response to a strike or threat to strike. 

How often have the words kick out and lock out occurred in a corpus of books? (source: Google Ngram Viewer )