| Similarity | Rank | |
|---|---|---|
| perplexing | 0.819 | 31002 |
| unsolvable | 0.814 | 90663 |
| intractable | 0.802 | 38382 |
| troubling | 0.786 | 15251 |
| quandary | 0.766 | 42760 |
| dilemmas | 0.761 | 25927 |
| fraught | 0.758 | 25023 |
| conundrum | 0.757 | 31088 |
| baffling | 0.752 | 34300 |
| exasperating | 0.750 | 65409 |
| conundrums | 0.745 | 81680 |
| dilemma | 0.745 | 9424 |
| puzzling | 0.740 | 24981 |
| confronting | 0.740 | 18482 |
| troublesome | 0.724 | 16411 |
| plaguing | 0.722 | 43551 |
| contentious | 0.717 | 20777 |
| worrisome | 0.713 | 31526 |
| unanswerable | 0.711 | 81176 |
| solvable | 0.710 | 79398 |
| ironies | 0.706 | 66850 |
| thorny | 0.703 | 36485 |
| maddening | 0.701 | 41482 |
| beset | 0.697 | 36058 |
| problematical | 0.696 | 81642 |