bakkie vs tilly

bakkie

noun
  • A small pick-up truck or ute, generally open and sometimes fitted with a removable canopy, but distinct from an enclosed van and a large truck. 

  • A small bowl or container, sometimes with a cover such as a Tupperware container. 

tilly

noun
  • A small open-backed truck. 

  • An extra product given to a customer at no additional charge; a lagniappe. 

adj
  • Containing till (unsorted glacial sediment). 

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