| Similarity | Rank | |
|---|---|---|
| of_the_[number]_century | 0.680 | 7426 |
| of_this_century | 0.661 | 98256 |
| of_the_last_century | 0.647 | 81770 |
| the_modern_world | 0.645 | 25633 |
| our_own_time | 0.642 | 82121 |
| in_this_century | 0.641 | 78663 |
| this_century | 0.621 | 36184 |
| in_human_history | 0.606 | 48002 |
| era_of | 0.601 | 9454 |
| this_era | 0.597 | 92970 |
| of_the_twentieth_century | 0.593 | 38975 |
| in_the_modern_world | 0.593 | 34026 |
| the_[number]_century | 0.591 | 3864 |
| of_the_[number]_th_century | 0.588 | 70817 |
| our_civilization | 0.588 | 88685 |
| in_the_modern_era | 0.584 | 87472 |
| modern_time | 0.583 | 56993 |
| the_new_century | 0.574 | 90368 |
| [number]_century | 0.573 | 4260 |
| today_world | 0.571 | 51147 |
| [number]_st_century | 0.570 | 86272 |
| in_the_last_century | 0.568 | 65606 |
| the_twenty-first_century | 0.567 | 64068 |
| in_modern_time | 0.566 | 34275 |
| in_the_twenty-first_century | 0.565 | 56594 |