kraal vs lockup

kraal

noun
  • In Central and Southern Africa, a rural village of huts surrounded by a stockade. 

  • An enclosure for livestock. 

  • In Central and Southern Africa, a small rural community. 

verb
  • To enclose (livestock) within a kraal or stockade. 

lockup

noun
  • A storage unit with a door secured by a padlock or deadbolt; a garage. 

  • A condition where a system stops responding to inputs; a freeze. 

  • A device for locking type into position for printing. 

  • A jail cell, or a period of incarceration. 

  • A condition in which one or more of a vehicle's wheels suddenly cease to rotate due to the application of excessive brake torque, causing the affected wheel(s) to skid. 

  • A fixed layout involving one or more logos and possibly related text. 

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