| Rating | Solver | Clue |
|---|---|---|
| STAPLE | Principal | |
| HEADMASTER | Principal | |
| DEAN | Principal | |
| CHIEF | Principal | |
| HEAD | Principal | |
| MAIN | Principal | |
| MAIN ROADS | Principal streets | |
| MAIN ROAD | Principal highway | |
| STAR | Principal actor | |
| MAINLAND | Principal landmass | |
| LEADINGMAN | Principal actor | |
| MAINROADS | Principal streets | |
| CHEERLEADER | Principal barracker | |
| MAINSAIL | Principal sail | |
| HEADMISTRESS | Female principal | |
| MAISTER | Principal; chief. | |
| URDU | Pakistan's principal language | |
| SWANRIVER | Perth's principal watercourse | |
| KHMER | Cambodia's principal language | |
| KINGPIN | Company's principal person | |
| CENTRAL | Principal in the middle | |
| AHEAD | Put a principal in | |
| HEADACHE | Principal fixed each problem | |
| VISHNU | A principal Hindu deity | |
| HERO | Principal character in story | |