| Similarity | Rank | |
|---|---|---|
| very_rare | 0.841 | 67344 |
| a_rare | 0.771 | 11861 |
| uncommon | 0.716 | 26024 |
| be_rare | 0.682 | 10532 |
| rarity | 0.668 | 44351 |
| be_very_rare | 0.652 | 54386 |
| Rare | 0.646 | 39463 |
| be_extremely_rare | 0.627 | 79960 |
| unusual | 0.613 | 5484 |
| rarely_see | 0.590 | 73538 |
| precious | 0.572 | 8771 |
| endangered | 0.571 | 31510 |
| priceless | 0.555 | 40632 |
| hard_to_find | 0.547 | 39604 |
| be_uncommon | 0.535 | 61142 |
| little_know | 0.524 | 66255 |
| scarce | 0.517 | 27550 |
| threatened | 0.512 | 68497 |
| irreplaceable | 0.503 | 66564 |
| very_special | 0.503 | 47443 |
| rare_book | 0.487 | 62476 |
| endangered_specie | 0.486 | 27787 |
| exotic | 0.483 | 10534 |
| very_rarely | 0.480 | 52876 |
| unique | 0.480 | 1040 |