motor vehicle vs tuk-tuk

motor vehicle

noun
  • Any land-based means of transportation in the form of a machine that operates primarily through a motor consuming fuel in order to provide power to rotate the tires. 

tuk-tuk

noun
  • A motorized rickshaw, especially Southeast Asia or India. 

How often have the words motor vehicle and tuk-tuk occurred in a corpus of books? (source: Google Ngram Viewer )