| Answer | Crossword Clue |
|---|---|
| PINE | Knotty tree |
| GNARL | Knotty tree protuberance |
| BURL | Knotty tree growth |
| GNARLED | Knotty, as a tree |
| KNUR | Knotty bump on a tree |
| gnarls | knotty protuberance on a tree; knot |
| gnarling | knotty protuberance on a tree; knot |
| gnarled | knotty protuberance on a tree; knot |
| gnarl | knotty protuberance on a tree; knot |
| knurs | knotty or hard protuberance or growth, as on a tree |
| knur | knotty or hard protuberance or growth, as on a tree |
