| Chopper |
| Whirlybird |
| Copter kin |
| Copters' kin |
| Early whirly |
| Early copter |
| Copter cousin |
| Copter's cousin |
| Early helicopter |
| Copter precursor |
| Early whirlybird |
| Bike helmet brand |
| Not a dupe: Abbr. |
| Copter forerunner |
| Copter's relative |
| Aircraft, for short |
| Copter's forerunner |
| Helicopter precursor |
| Relative of a 'copter |
| Type of airplane: Var. |
| Helicopter's forerunner |
| Protege of Vivaldi, Anna |
| Old rotorcraft, for short |
| Copter's forerunner (var.) |
| Big name in bicycle helmets |
| Big name in cycling helmets |
| ___ d'Italia (bicycle race) |
| Early whirlybird, for short |
| Type of aircraft, for short |
| ___ d'Italia (cycling event) |
| Short for a type of helicopter. |
| Helicopter's predecessor, briefly |
| __ d'Italia (prestigious bike race) |
| Banking system — social security cheque |