| Similarity | Rank | |
|---|---|---|
| the_[number]_st_century | 0.780 | 85770 |
| twenty-first_century | 0.727 | 99513 |
| the_twentieth_century | 0.721 | 31810 |
| in_the_twenty-first_century | 0.719 | 56594 |
| the_[number]_century | 0.715 | 3864 |
| the_new_century | 0.696 | 90368 |
| the_last_century | 0.656 | 77743 |
| this_century | 0.645 | 36184 |
| 21st-century | 0.642 | 85471 |
| in_the_[number]_st_century | 0.628 | 51849 |
| twentieth_century | 0.609 | 56294 |
| [number]_st_century | 0.608 | 86272 |
| of_the_[number]_century | 0.601 | 7426 |
| this_era | 0.596 | 92970 |
| modern_time | 0.595 | 56993 |
| today_world | 0.590 | 51147 |
| [number]_century | 0.590 | 4260 |
| the_nineteenth_century | 0.589 | 41612 |
| of_this_century | 0.585 | 98256 |
| the_[number]_th_century | 0.581 | 32296 |
| in_this_century | 0.579 | 78663 |
| in_the_twentieth_century | 0.578 | 42594 |
| 20th-century | 0.578 | 91263 |
| in_the_[number]_century | 0.576 | 3815 |
| the_digital_age | 0.576 | 56136 |