| Similarity | Rank | |
|---|---|---|
| uncertainties | 0.751 | 21175 |
| uncertainty | 0.696 | 7075 |
| confounding | 0.652 | 43222 |
| certainties | 0.642 | 65668 |
| paradoxes | 0.636 | 49211 |
| conundrums | 0.627 | 81680 |
| unpredictability | 0.626 | 41919 |
| zeroes | 0.615 | 63600 |
| pitfalls | 0.612 | 16291 |
| unknown | 0.612 | 3573 |
| surprises | 0.611 | 9559 |
| unknowable | 0.609 | 53536 |
| fraught | 0.604 | 25023 |
| ambiguities | 0.604 | 52494 |
| unsolvable | 0.598 | 90663 |
| complexities | 0.597 | 16831 |
| uncertain | 0.591 | 8394 |
| contingencies | 0.590 | 39074 |
| permutations | 0.590 | 44856 |
| challenges | 0.588 | 1695 |
| ifs | 0.587 | 53489 |
| what-if | 0.587 | 85895 |
| scenarios | 0.586 | 6929 |
| caveats | 0.583 | 39008 |
| ambiguity | 0.583 | 20702 |