Ferrari
Mustang.
As it is made by Citroen there are 7.
Bentley ?
Harriet Tubbman
Trooper
its a name of a car dumbies
One Goddess with 7 letters in her name is Demeter, in Greek mythology. Also ARTEMIS.
Grouper is the name of a fish. It is 7 letters and contains 2 r's.
Giraffe has seven letters
Out of those letters, I'd try America.
Toyota