| Similarity | Rank | |
|---|---|---|
| the_very_first | 0.770 | 11485 |
| first_ever | 0.685 | 52002 |
| first | 0.672 | 78 |
| the_first_ever | 0.600 | 14860 |
| be_first_ever | 0.598 | 72612 |
| our_very_first | 0.577 | 90421 |
| its_first | 0.575 | 10804 |
| first-ever | 0.566 | 48061 |
| our_first | 0.563 | 5885 |
| the_first_official | 0.544 | 59161 |
| first_real | 0.536 | 72760 |
| First | 0.531 | 3205 |
| very_own | 0.531 | 40234 |
| inaugural | 0.528 | 39079 |
| her_first | 0.522 | 12396 |
| my_very_first | 0.520 | 79597 |
| the_world_first | 0.519 | 14801 |
| the_first-ever | 0.516 | 26995 |
| first_American | 0.514 | 79780 |
| first_time | 0.512 | 12482 |
| brand-new | 0.511 | 38310 |
| second | 0.509 | 331 |
| his_first | 0.508 | 7276 |
| my_first | 0.501 | 6509 |
| most_successful | 0.500 | 25358 |