| LEDGE | Horizontal structure such as a shelf or lode (5) |
| MOTHER | Word with earth or lode |
| WINGS | Rigid horizontal structures on an aircraft (5) |
| WINGTIP | The part of an aircraft's horizontal structure most distant from the fuselage (7) |
| SHELL | A structure such as a coconut's husk, a pea's pod, a pie's crust, a snail's exoskeleton or tortoise's carapace; or, a class that originally met in the apse of Westminster School (5) |
| TOWER | Structure such as a turret or a campanile; coiffure worn as a fontange in the 17th and 18th centuries; or, a tarot trump card (5) |
| STAND | An act of rising to one's feet; or, a structure such as a pedestal, serving as a supporting foot (5) |
| FRUIT | Nutrient-rich botanical structure such as a berry or a melon (5) |
| WORK | Energy transfer measured in joules; a creation such as a book, musical composition or piece of embroidery, sewing etc; or, a structure such as a wall, built as part of a fortification (4) |
| NESTS | Structures such as formicaria, dreys, vespiaries, wurleys or those lined with feathers, moss, wool, cobwebs, thistledown or lichen for birds' sittings or clutches of eggs (5) |
| GLAND | Structure such as thyroid (5) |
| SCALA | A ladder-like structure, such as one of the spiral canals in the cochlea |
| OUTBUILDING | A structure such as a garage or barn, separate from a main house (11) |
| HILUM | Depression or fissure where structures such as blood vessels and nerves enter an organ |
| SHADE | Structure such an awning, balcony, blind or a covering for a light bulb (5) |
| SANDS | Smooths, as a shelf |
| EARTHWORK | Structure such as a hill-fort or henge (9) |
| BEAM | Timber structure such as a joist, lintel, rafter or sleeper (4) |
| SEED | Botanical structure such as a peanut or almond |
| BRIDGE | Structure such as viaduct or series of stepping stones spanning a divide or gap; or, a transitional or connecting passage in a piece of music (6) |
