Before a law is a law it is called a Bill.
In the 19th century, it was called the Federal city or Washington city. The city was named after George Washington, the first President of United states.
They were officially known as the "States' Rights Democratic Party". However, they are almost always referred to as the Dixiecrats.
It is officially called "nisshouki," but most commonly referred to as "hinomaru."
They were the Sooners.
Any cross breed is generally referred to as a mutt or mongrel. I've heard them called Aluskies before, but it's not a term that's been officially recognised.
A laid out version of a book before it is checked is typically referred to as a galley proof or an advance reader copy (ARC). This version allows publishers, authors, and editors to review the final formatting and content before the book is officially published.
President George Washington is referred to as the 'Father' of the USA.
Rabbits in general are sometimes referred to as bunnies but the baby bunnies are officially called a kitten or a kit. A male is called a Buck and a female is called a Doe.
If your last name is Stephens. You would call it "Baby Stephens". And so on
The Oscars are officially known as the Academy Awards.
Before marrying Beyoncé, Jay-Z often referred to her as "B" or "Bee." These nicknames were used affectionately in both his personal life and in his music. Their relationship began in the early 2000s, and they were known to have a close bond even before they officially tied the knot in 2008.