Gun vs Mega

Gun

name
  • A Gbe language spoken in parts of Benin and Nigeria. 

Mega

name
  • A town in Dire, Borena, Ormia, Ethiopia 

  • A village in Moriad district, Tambrauw, West Papua, Indonesia, on New Guinea 

  • A surname. 

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