| Similarity | Rank | |
|---|---|---|
| first_time | 0.668 | 12482 |
| for_the_first_time | 0.615 | 1782 |
| for_the_first_time_in | 0.557 | 6023 |
| the_first_time | 0.553 | 6311 |
| first-time | 0.553 | 47056 |
| First_Time | 0.545 | 58032 |
| for_the_very_first_time | 0.539 | 34780 |
| it_be_the_first_time | 0.513 | 19424 |
| be_the_first_time | 0.498 | 8875 |
| second_time | 0.496 | 71653 |
| the_second_time | 0.489 | 9505 |
| first_ever | 0.476 | 52002 |
| the_first_time_that | 0.473 | 35019 |
| the_last_time | 0.471 | 9918 |
| for_the_first_time_since | 0.467 | 30021 |
| for_the_first_time_ever | 0.464 | 24795 |
| first-ever | 0.445 | 48061 |
| mark_the_first_time | 0.440 | 94941 |
| for_the_third_time | 0.438 | 30364 |
| first | 0.438 | 78 |
| the_first_ever | 0.431 | 14860 |
| very_first | 0.426 | 48013 |
| only_once | 0.426 | 21178 |
| for_the_fourth_time | 0.420 | 77483 |
| their_first | 0.416 | 4178 |