M vs a thousand

M

name

  • Michigan. 

character

  • The thirteenth letter of the English alphabet, called em and written in the Latin script. 

noun

  • the number of minutes a player spent at the crease 

  • Monsieur 

  • A film with the content rating M. 

  • the number of maiden overs bowled 

a thousand

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