| Similarity | Rank | |
|---|---|---|
| rarer | 0.843 | 36361 |
| uncommon | 0.822 | 8857 |
| rarest | 0.818 | 36407 |
| rarity | 0.785 | 23326 |
| unusual | 0.738 | 3419 |
| Rare | 0.729 | 21385 |
| rarities | 0.682 | 63844 |
| rarely | 0.635 | 3388 |
| elusive | 0.603 | 14436 |
| long-lived | 0.602 | 51851 |
| prized | 0.597 | 17712 |
| hard-to-find | 0.595 | 59600 |
| atypical | 0.594 | 28224 |
| noteworthy | 0.590 | 15567 |
| unknown | 0.585 | 3573 |
| intriguing | 0.582 | 8710 |
| extraordinary | 0.581 | 4288 |
| notable | 0.579 | 6659 |
| remarkable | 0.579 | 3975 |
| unusually | 0.578 | 13433 |
| collectable | 0.576 | 56521 |
| commonest | 0.573 | 47270 |
| unheard | 0.572 | 19315 |
| little-known | 0.571 | 34532 |
| fascinating | 0.570 | 4365 |