Helenes

7 clues
Curtis and others
Costello and Aylon
Author Hanff and others
Offenbach heroine and namesakes
Hair products maker Curtis and others
USC's all-female service organization
84, Charing Cross Road" novelist Hanff and others
Similar answers:
Abatoutofhell
Abovethelaw
Abrushwiththelaw
Absolvethelaw
Abushelandapeck
Abusiveness
Achenes
Achilleshelium
Acquisitiveness
Actofpoliteness
Adayatthelaces
Adayinthelife
Adelphihelipad
Adenese
Adiposeness
Adverseness
Againstthelaw
Agbellsandcockleshells
Agearethelossof
Agenesis