Moil vs Rade

Moil

name

  • Synonym of Ngan'gityemerri 

Rade

name

  • The Austronesian language of the Chamic branch spoken by the Rade people. 

noun

  • A minor ethnic group in the Central Highlands of Vietnam. 

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