| Text | Length |
| 51, famously | 12 |
| 51-foot ride (4) | 16 |
| 511, in old Rome | 16 |
| 511, to Caesar | 14 |
| 511, to Flavius | 15 |
| 512,000 drams | 13 |
| 514, to Claudius | 16 |
| 516 sheets of paper | 19 |
| 52 in old Rome | 14 |
| 52 settimane | 12 |
| 52, another way | 15 |
| 52, in old Rome | 15 |
| 52, to Caesar | 13 |
| 52, to Fabius | 13 |
| 52, to Flavius | 14 |
| 52, to Titus Livius | 19 |
| 52-wk. periods | 14 |
| 52-wk. spans | 12 |
| 520 hebdomads | 13 |
| 528i or Z3, e.g. | 16 |
| 53 to Pompey | 13 |
| 53 for I, e.g. | 14 |
| 53, in old Rome | 15 |
| 53rd St. landmark | 17 |
| 54 to Flavius | 14 |
| 54, at the Forum | 16 |
| 54, e.g., in old TV | 19 |
| 54, in old Rome | 15 |
| 540-1600 on a radio | 19 |
| 540º on ice | 14 |
| 541, in old Rome | 16 |
| 542-year-old Smurf | 18 |
| 55 m.p.h., e.g. | 15 |
| 55 or 65, often | 15 |
| 55 or 65, perhaps | 17 |
| 551, at the Forum | 17 |
| 551, formerly | 13 |
| 551, in Latium | 14 |
| 551, in old Rome | 16 |
| 551, in stone | 13 |
| 551, to Caesar | 14 |
| 551, to Claudius | 16 |
| 551, to Nero | 12 |
| 552, in old Rome | 16 |
| 552, to Caesar | 14 |
| 552, to Nero | 12 |
| 554, in stone | 13 |
| 555, to Flavius | 15 |
| 555-55-5555, e.g. | 17 |
| 559, to Fabius | 14 |
| 55th anniversary | 16 |
| 56 to Caesar | 13 |
| 56 ___ 5 = 1 | 12 |
| 56, in Latin class | 18 |
| 56, in old Rome | 15 |
| 56, to Caesar | 13 |
| 56, to Flavius | 14 |
| 57, in old Rome | 15 |
| 57, long ago | 12 |
| 572-year-old school | 19 |
| 575, doubled | 12 |
| 5765, now, to Jews | 18 |
| 58 to Agrippa | 14 |
| 5810 Wireless, e.g. | 19 |
| 58D, nowadays | 13 |
| 59, in the Forum | 16 |
| 59-7 win, e.g. | 14 |
| 59-yr.-old alliance | 19 |
| 590, to Caesar | 14 |
| 59Fifty product | 15 |
| 5:2, for example | 16 |
| 5:30 at Logan, say | 18 |
| 5¢/gallon, e.g. | 18 |
| 5½-point type | 16 |
| 5K or marathon | 14 |
| 5K race, perhaps | 16 |
| 5O's bash? | 14 |
| 5th Avenue retailer | 19 |
| 5th Avenue store | 16 |
| 5th Dimension: 1967 | 19 |
| 5th or Mad., e.g. | 17 |
| 5th or Madison | 14 |
| 5th or Park in NYC | 18 |
| 5th-century date | 16 |
| 5th-century invader | 19 |
| 5th-century pope | 16 |
| 6 in football | 14 |
| 6 x 17, to Brutus | 18 |
| 6 characters | 12 |
| 6 is a rare one | 15 |
| 6 on a cell phone | 17 |
| 6 on a handset | 14 |
| 6 on a phone | 12 |
| 6 on a phone dial | 17 |
| 6 on a phone pad | 16 |
| 6 on a telephone | 16 |
| 6 on the dial | 13 |
| 6 on the telephone | 18 |
| 6 on your scorecard | 19 |
| 6 or 9, but not 69 | 18 |
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