aborigine vs centenarian

aborigine

noun
  • A native inhabitant of a country; a member of the original people. 

  • The native flora and fauna of an area. 

centenarian

noun
  • One who or that which is at least 100 years old. 

adj
  • Aged 100 years or more; extremely old. 

  • Of or relating to centenarians or a centenary celebration. 

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