India vs the subcontinent

India

name
  • A female given name 

  • A country in South Asia. Official name: Republic of India. 

  • An area of land in Southern Asia, traditionally delimited by the Himalayas and the Indus river; the Indian subcontinent. 

  • A territory of the British Empire, chiefly comprising the modern day countries of India, Pakistan, Bangladesh, Bhutan, Nepal and Burma. 

the subcontinent

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