| Similarity | Rank | |
|---|---|---|
| unknown | 0.758 | 3573 |
| unobserved | 0.744 | 81292 |
| unseen | 0.728 | 14749 |
| undetected | 0.709 | 32413 |
| undiscovered | 0.688 | 34706 |
| unexplained | 0.688 | 23838 |
| unknowing | 0.686 | 60859 |
| unacknowledged | 0.684 | 71331 |
| unexplainable | 0.678 | 52604 |
| heretofore | 0.674 | 39234 |
| aberrant | 0.670 | 49034 |
| baleful | 0.668 | 89834 |
| unexplored | 0.667 | 37943 |
| latent | 0.666 | 21991 |
| confounding | 0.663 | 43222 |
| hitherto | 0.663 | 22680 |
| unwitting | 0.661 | 49007 |
| malignant | 0.660 | 19471 |
| unawares | 0.659 | 63888 |
| anomalous | 0.656 | 39619 |
| psychical | 0.654 | 84136 |
| confounded | 0.653 | 40572 |
| confound | 0.650 | 51240 |
| inexplicable | 0.650 | 28470 |
| occluded | 0.649 | 86615 |