Harriet Tubbman
Grouper is the name of a fish. It is 7 letters and contains 2 r's.
Garters are an item of clothing. It contains 7 letters.
cabbage
Lev Tolstoy (was a Russian novelist)
oCTOPUS
A common spider-like creature with 4 letters is a tick.
Boggart or kneezle
Pheasant
amoeba
Bigfoot.
The creature would be hobbit. They were shorter than dwarves and lived in the Shire.
Harriet Tubbman
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.
Out of those letters, I'd try America.
A Mustang (produced by Ford) has seven letters in its name.