Aedon

2 clues
Queen of Thebes
Zeus turned her into a nightingale
Similar answers:
Aae
Aareaditalaeaer
Abaddon
Abandon
Abandoned
Abandonedsheep
Abandonedship
Abandonedshipit
Abandonedwell
Abandonee
Abandonees
Abandoning
Abandonment
Abandononespost
Abandons
Abandonship
Abandonshippie
Abandonshope
Abandonsshop
Abbaeban