| Similarity | Rank | |
|---|---|---|
| the_twenty-first_century | 0.727 | 64068 |
| 21st-century | 0.724 | 85471 |
| [number]_st_century | 0.708 | 86272 |
| in_the_twenty-first_century | 0.688 | 56594 |
| twentieth_century | 0.687 | 56294 |
| twentieth-century | 0.662 | 81753 |
| 20th-century | 0.649 | 91263 |
| the_[number]_st_century | 0.638 | 85770 |
| [number]_century | 0.637 | 4260 |
| contemporary | 0.635 | 2804 |
| postmodern | 0.612 | 43022 |
| modern-day | 0.605 | 25761 |
| modern | 0.603 | 1476 |
| of_the_[number]_century | 0.597 | 7426 |
| in_the_twentieth_century | 0.592 | 42594 |
| nineteenth-century | 0.591 | 51981 |
| the_twentieth_century | 0.589 | 31810 |
| in_the_[number]_st_century | 0.589 | 51849 |
| the_[number]_century | 0.585 | 3864 |
| the_modern_world | 0.576 | 25633 |
| post-modern | 0.573 | 79140 |
| nineteenth_century | 0.572 | 46840 |
| contemporary_culture | 0.571 | 61364 |
| the_new_century | 0.570 | 90368 |
| postcolonial | 0.567 | 82098 |