| Similarity | Rank | |
|---|---|---|
| the_world_first | 0.629 | 14801 |
| the_first_ever | 0.620 | 14860 |
| the_very_first | 0.604 | 11485 |
| first_American | 0.587 | 79780 |
| the_first_major | 0.577 | 49516 |
| the_first-ever | 0.576 | 26995 |
| first_real | 0.575 | 72760 |
| pioneer | 0.569 | 3076 |
| a_pioneer | 0.558 | 25661 |
| the_first_European | 0.552 | 71001 |
| first | 0.552 | 78 |
| first_ever | 0.529 | 52002 |
| the_most_successful | 0.519 | 12897 |
| its_first | 0.518 | 10804 |
| the_first_official | 0.518 | 59161 |
| nation_first | 0.515 | 49961 |
| a_highly_successful | 0.504 | 75848 |
| pioneer_by | 0.500 | 60016 |
| very_first | 0.496 | 48013 |
| the_most_famous | 0.494 | 16263 |
| be_a_pioneer | 0.493 | 24287 |
| most_successful | 0.487 | 25358 |
| be_first_ever | 0.481 | 72612 |
| first-ever | 0.479 | 48061 |
| our_first | 0.479 | 5885 |