| Similarity | Rank | |
|---|---|---|
| [number]_B.C. | 0.881 | 81295 |
| in_[number]_BC | 0.786 | 52868 |
| the_[number]_century_ad | 0.696 | 97270 |
| the_Bronze_Age | 0.655 | 84065 |
| A.D._[number] | 0.645 | 97189 |
| Mesopotamia | 0.630 | 60932 |
| b_._c_. | 0.616 | 88576 |
| the_Roman_Empire | 0.607 | 47799 |
| Neolithic | 0.595 | 79921 |
| Babylonian | 0.592 | 89710 |
| ancient_Egyptian | 0.581 | 58042 |
| thousand_of_year_ago | 0.580 | 91960 |
| Assyria | 0.573 | 79411 |
| ancient_Greek | 0.573 | 45429 |
| in_ancient_time | 0.571 | 48941 |
| Roman | 0.568 | 4778 |
| Ptolemy | 0.564 | 75973 |
| Romans | 0.564 | 40542 |
| in_antiquity | 0.563 | 73591 |
| around_[number]_year_ago | 0.554 | 99750 |
| Julius_Caesar | 0.553 | 58203 |
| the_reign_of | 0.551 | 40613 |
| the_Greeks | 0.547 | 16810 |
| ancient_time | 0.543 | 91668 |
| the_Celt | 0.539 | 96999 |