| Clue | Source | Date |
|---|---|---|
| Thread knots (5) | ||
| Tree bumps | Eugene Sheffer | 08 Oct 2022 |
| Rounded, knotty tree growths | The Washington Post | 17 Apr 2022 |
| Rounded, knotty tree growths | LA Times Daily | 17 Apr 2022 |
| Knots on trees | Family Time | 21 Jan 2019 |
| Tree knots | Universal | 24 Jul 2016 |
| Tree knots | ||
| Bumps on a log | Wall Street Journal | 26 Dec 2015 |
| Tree trunk outgrowths | USA Today | 07 Jul 2015 |
| Tree knots | USA Today | 03 Jul 2015 |
| Bumps on a log | ||
| Tree trunk outgrowths | ||
| Tree knots | ||
| Tree bumps | ||
| Tree-trunk outgrowths | ||
| Tree warts | ||
| Tree trunk outgrowths | ||
| Tree knots | ||
| Knots in wool | ||
| Knots | ||
| Oak or elm growths | ||
| Tree-trunk growths | ||
| Knots in cloth. | ||
| Tree knots. | ||
| Knots. |