Ernestine

6 clues
Schumann-Heink
Lily's telephone operator
Lily's "Laugh-In" operator
Lily's "ringy-dingy" operator
Lily Tomlin character with a headset
Lily Tomlin's "one ringy-dingy" character on old TV
Similar answers:
Abstinence
Abstinent
Abstinentminded
Aherne
Ahernes
Ahwilderness
Alanjaylerner
Alanlerner
Alderney
Aslowberne
Aubustine
Augustine
Augustines
Augustinewashington
Berne
Bernerslee
Bernese
Bernesides
Bernet
Bewilderness