The feminine opposite of nephew is niece.
they would be called a "niece"
The possessive form of the singular noun niece is niece's.example: This is a gift for my niece's birthday.
The possessive form for the singular noun niece is niece's.
"Nieces" is the plural form of "niece" in English. In French, "niece" is translated as "nièce" in singular and "nièces" in plural.
The feminine form of alumnus is alumna. The feminine plural is alumnae.
In English there are no masculine or feminine forms. English uses gender specific nouns for a male or a female.The gender specific noun for a male relative is nephew.The corresponding gender specific noun for a female relative is niece.
The feminine form of ami is amie. The feminine plural is amies.
Niece would be an opposite as a niece is female and a nephew is male.
Mistress is the feminine form of master. It is already in feminine form.
The feminine form of a baron is a baroness.
Nieces' is the plural possessive form of the noun niece. The singular possessive form would be niece's.