Aidas

4 clues
Opera girl et al.
Roles for sopranos
Operatic heroine and namesakes
Ponselle and Price were famous ones
Similar answers:
Aafair
Aaice
Aain
Aains
Abidingfaith
Abigail
Abigailadams
Abigaildeanwill
Abigails
Abigailvanburen
Abigailwilliams
Abortretryfail
Aboutfaith
Abovethefruitedplain
Abovethewaits
Abrain
Abrainandapenis
Abrainchallenge
Abrainof
Abridgetoofair