mxn vs wallah

mxn

noun
  • Feminist spelling of man 

wallah

noun
  • A guy or bloke. 

  • A servant or other person responsible for something, often specified before it, for example kitchen wallah. 

adv
  • by God (Allah); may God be my witness used in making a solemn oath 

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