| LICHENS | Growths on tree trunks or rocks |
| LICHEN | Growths on tree trunks or rocks |
| MOSSES | Green growths on tree trunks |
| MOSS | Growth on tree trunks |
| RAFT | Drift of fallen tree trunks; or, a flock of floating penguins or puffins (4) |
| CREEPERS | Vines such as ivies; little birds that spiral up tree trunks; or, wheeled platforms for sliding under cars (8) |
| STOCK | A tree trunk or main stem; a perennial part of a herbaceous plant; a person's ancestry or line of descent; a fund or store; or, a farm's collective animals, kept for meat or milk (5) |
| KNAR | Knot or protuberance in a tree trunk or in wood (4) |
| BOLE | Recess in a wall designed to house a hive or skep of bees; a tree trunk; or, a rich clay pigment used in gilding (4) |
| EPICORMIC | Relating to shoots that grow below the bark on a tree trunk or branch (9) |
| STUB | Remains of a tree trunk or a pencil; an accidental strike of one's toe; a counterfoil; or, a horseshoe nail (4) |
| KNUR | Gnarl on a tree trunk; or, a ball made from said burl and hit with a spell (4) |
| HOLLOW | Gap in a tree trunk; or, a small valley (6) |
| BARKY | Like a tree trunk or a yipping dog |
| KNURR | A protuberance in a tree trunk or wood (5) |
| OAKAPPLES | Growths on trees, caused by the larvae of gall wasps (3,6) |
| SHORTS | Word for trousers to the knee or higher for hiking, outdoor pursuits, school, sports or summer holidays; trunks or underpants; featurettes or other brief films; tots of spirits; or, the bran or pollar |
| CODEX | Collection of ancient manuscript texts in book form; from Latin, 'tree trunk' or 'wooden block' (5) |
| BATTERINGRAM | Swinging tree trunk or beam used to breach walls during medieval sieges (9,3) |
| NEWWOOD | Fresh growth on tree or shrub (3, 4) |
