job and many more
Hshshdhh
There are many job names that end with the letters -tian. Some of these names are dietitian, electrician, and mathematician.
football baseball softball volleyball basketball soccer
Millard Fillmore
The names of certain letters of the alphabet such as "bee" "dee" "zee". Remove the double e from each of them and you get b, d, z.
hannah montana, matt nathonson , Megan good , Rihanna
Mississippi & Tennessee
Job is the only person I can think of right now.
The state that is spelled with double letters is Mississippi.
Raccoon is a word. It includes double letters in a row.
Aardvark and eel are words. They begin with double letters.