A female cow is called a "cow" - if it has not given birth it can be called a "heifer".
Perhaps you were thinking of a "cow" called 'Daisey'.
sisters
Harriet Tubbman
Lioness
Sister?
Grouper is the name of a fish. It is 7 letters and contains 2 r's.
One Goddess with 7 letters in her name is Demeter, in Greek mythology. Also ARTEMIS.
Giraffe has seven letters
Out of those letters, I'd try America.
panther
A Mustang (produced by Ford) has seven letters in its name.
The average number of letters in a person's first name is typically around 6-7 letters. This can vary depending on cultural norms and naming trends.
Vietnam