| Similarity | Rank | |
|---|---|---|
| period | 0.869 | 604 |
| durations | 0.835 | 36433 |
| duration | 0.776 | 4894 |
| Periods | 0.759 | 51517 |
| prolonged | 0.740 | 8292 |
| cycles | 0.724 | 7516 |
| during | 0.684 | 218 |
| days | 0.679 | 254 |
| intervals | 0.658 | 9214 |
| times | 0.656 | 295 |
| Period | 0.655 | 12466 |
| inactivity | 0.651 | 29184 |
| menses | 0.648 | 65670 |
| onset | 0.647 | 10241 |
| elapse | 0.641 | 77417 |
| epochs | 0.640 | 73308 |
| time | 0.638 | 62 |
| time-frame | 0.632 | 60192 |
| awakenings | 0.630 | 91522 |
| interval | 0.628 | 9461 |
| cycle | 0.626 | 2497 |
| menstrual | 0.621 | 16129 |
| timeframe | 0.618 | 18006 |
| intermittent | 0.617 | 19683 |
| menstruation | 0.615 | 29163 |