Mara vs Tribulation

Mara

name
  • The Hindu god of death; opposite of Kama. 

  • A female given name from Hebrew. 

  • The Slavic goddess of winter and death; Marena or Maržanna. 

  • A Maran Australian Aboriginal prefixing language spoken in southeastern Arnhem Land in the Northern Territory. 

  • A surname from Irish. 

noun
  • A member of a predominantly agricultural tribe of southern Assam and western Burma. 

Tribulation

name
  • (A period of) persecution before the Second Coming, lasting seven years, which Christians will experience worldwide which will purify and strengthen them. 

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