| Rating | Solver | Clue |
|---|---|---|
| FOUNDATIONS | Fundamentals | |
| NITTYGRITTY | Fundamentals | |
| BASICS | Fundamentals | |
| NITTY-GRITTY | Fundamentals (5-6) | |
| FUNDAMENTAL | A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of the Christian faith. | |