| 100% | HENRYVI | 7 | King's story Shakespeare splits into three parts |
| 46% | STPATRICK | 9 | March figure ... or, when split into three parts, a title for this puzzle |
| 43% | HENRYVI | 7 | King whose story covers three Shakespeare plays |
| 38% | TRISECTING | 10 | Cutting into three parts |
| 38% | TRISECT | 7 | Divide into three parts |
| 38% | TRISECTED | 9 | Divided into three parts |
| 38% | SSNS | 4 | Identifiers broken into three parts |
| 38% | DIVIDE | 6 | Split into parts |
| 37% | GAUL | 4 | "All ___ is divided into three parts" |
| 37% | HENRYVI | 7 | Three-part Shakespeare play about a king of England (2 wds.) |
| 37% | GAUL | 4 | Land divided into three parts, per Caesar |
| 36% | BISECT | 6 | Split into two equal parts |
| 35% | TRISECT | 7 | Cut into three equal parts |
| 34% | TRISECT | 7 | To divide into three equal parts |
| 34% | GRANDPA | 7 | Pop's pop ... or, divided into three parts, what the answers to starred clues have in common |
| 33% | LEAR | 4 | King with three daughters in Shakespeare |
| 33% | BRANDED | 7 | Labeled ... or, divided into three parts, what surrounds the answers to starred clues |
| 32% | PRISM | 5 | Light refractor, or, when broken into three parts, a hint to the theme answers |
| 31% | TRILOGY | 7 | A story told in three published parts |
| 30% | STOP | 4 | "Freeze!" ... or, when broken into three parts, how the answer for each of the six starred clues goes |
| 30% | LEAR | 4 | Shakespeare's King |
| 29% | ABANDON | 7 | Leave high and dry ... or, when divided into three parts, what the answers to starred clues are encompassed by |
| 29% | LEAR | 4 | Shakespeare's mad king |
| 29% | LEAR | 4 | Shakespeare's tragedy King ___ |
| 29% | LEAR | 4 | Shakespeare's titular king |
| 29% | OBERON | 6 | Shakespeare's fairy king |
| 28% | LEAR | 4 | King of Shakespeare's tragedy |
| 28% | SAMOA | 5 | It was split into two parts by the 1899 Treaty of Berlin |
| 28% | KINGLEAR | 8 | Shakespeare's monarch with three daughters |
| 28% | ALONSO | 6 | King in Shakespeare's "The Tempest" |