For HM Da Q, I always call her "Your Maj'"
Its short for "Your Majesty"
The singular form would be majesty.
I dont think there is one.
Yes, the term "Your Majesty" is typically capitalized when used as a direct form of address to a monarch or ruler.
Your Majesty
Her Majesty's Ship Beagle
The noun form (majesticness) is majesty, meaning greatness or dignity.
Distinction does not have a short form. However, the short form of did not is didn't and the short form of are not is aren't.
William Proctor has written: 'A short journal of his Polish Majesty's camp of Radewitz'
Your Imperial Majesty is the generic form of address, but certain monarchies have specific titles.
Hankie is the short form of handkerchief.
Majesty: The Nothern Expansion and the Majesty 2 games