| Similarity | Rank | |
|---|---|---|
| challenging | 0.767 | 6371 |
| a_difficult | 0.654 | 12053 |
| an_exciting | 0.652 | 14578 |
| be_a_challenging | 0.651 | 67849 |
| the_most_challenging | 0.624 | 54484 |
| a_rewarding | 0.598 | 68707 |
| more_challenging | 0.582 | 31394 |
| a_stimulating | 0.578 | 90792 |
| a_dynamic | 0.566 | 9296 |
| an_interesting | 0.556 | 13274 |
| a_tricky | 0.554 | 79167 |
| fast-paced | 0.551 | 32652 |
| daunting | 0.549 | 43508 |
| be_an_exciting | 0.541 | 32439 |
| an_inspiring | 0.540 | 36601 |
| a_tough | 0.537 | 26323 |
| an_intense | 0.535 | 26112 |
| challenge | 0.533 | 222 |
| an_enjoyable | 0.531 | 53477 |
| a_rigorous | 0.526 | 45801 |
| demanding | 0.524 | 32030 |
| difficult | 0.515 | 2515 |
| a_new_challenge | 0.514 | 76110 |
| an_engaging | 0.512 | 47401 |
| exciting | 0.511 | 3121 |