| Similarity | Rank | |
|---|---|---|
| Persistent | 0.797 | 42552 |
| persist | 0.747 | 14169 |
| persists | 0.731 | 20772 |
| persisting | 0.729 | 46636 |
| recurrent | 0.709 | 18071 |
| chronic | 0.688 | 3978 |
| severe | 0.687 | 2524 |
| intractable | 0.687 | 38382 |
| deep-seated | 0.686 | 46404 |
| symptom | 0.681 | 10426 |
| persistence | 0.674 | 14491 |
| infrequent | 0.671 | 28030 |
| uncontrolled | 0.670 | 22814 |
| worsening | 0.670 | 22431 |
| characterized | 0.669 | 7785 |
| lethargy | 0.667 | 36089 |
| breathlessness | 0.666 | 71854 |
| unrelenting | 0.664 | 31722 |
| unremitting | 0.663 | 67139 |
| pervasive | 0.663 | 17839 |
| intermittent | 0.663 | 19683 |
| persistently | 0.660 | 28776 |
| restlessness | 0.659 | 35325 |
| exacerbation | 0.657 | 68480 |
| continual | 0.652 | 12171 |