becak vs tricycle

becak

noun

  • A cycle rickshaw. 

tricycle

noun

  • An autorickshaw; A motorized cycle rickshaw 

  • A cycle with three wheels, powered by pedals and usually intended for young children. 

verb

  • To ride a tricycle. 

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