I don't think you understand how creativity works ... there is no giant list of words that haven't been used yet! Authors invent words whenever they need one. Here's a link to show you how authors come up with their ideas.
San Stae was created in 1709.
Pennsylvania
Florida
The Everglades are in Florida.
Pennsylvania.
No
yes it is a stae
By valor and arms
Manhattan
she got married in the stae of mongumerey
Qatar and bahrain
The US is a country.