Classic:
* Addie: A sweet and familiar choice.
* Addie Mae: A cute combination with a touch of vintage charm.
* Lina: A simple and elegant option.
* Ellie: A popular and friendly nickname.
* Del: Short and snappy.
Unique:
* Addi: A modern and trendy choice.
* Line: Short, simple, and stylish.
* Ade: A chic and sophisticated option.
* Lennie: A quirky and charming nickname.
* Delia: A slightly more formal option.
Other options:
* Adie: A more playful take on the name.
* Adeline Rose: A sweet and classic combination.
* Edie: A popular and trendy option.
* Adel: A unique and strong nickname.
Ultimately, the best nickname for Adeline will depend on her personality and your own preferences.