buckaroo vs llanero

buckaroo

noun
  • One who sports a distinctive buckaroo style of cowboy clothing, boots, and heritage. 

  • A cowboy; specifically, a working cowboy who generally does not partake in rodeos. 

  • A reckless, headstrong person. 

  • A dollar; a buck. 

  • A style of cowboy boot with a high and uniquely tapered heel. 

llanero

noun
  • A plainsman; a South American cattle-herder or cowboy, especially in Venezuela and Colombia. 

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