| Answer | Crossword Clue |
|---|---|
| BROADBANDNETWORK | Telecom underpinning |
| PROP | Underpinning. |
| underpinnings | UNDERPINNING |
| BRACE | Underpinning |
| LEGS | Underpinning. |
| LEG | Underpinning. |
| BASIS | Underpinning |
| BASE | Underpinning |
| LEG | Underpinning |
| AXLETREE | Carriage underpinning. |
| LIMB | Treehouse underpinning |
| PLOT | Novel underpinning |
| BASS | Choir underpinning |
| MSDOS | Windows underpinning |
| DISH | Underpinning for food |
| RYE | Underpinning for ham |
| DOS | Early Windows underpinning |
| HAIRPAD | Underpinning used in pompadour days. |
| PERMAFROST | Hard-frozen underpinning of Thule. |
| AXLE | Part of a car's underpinning |
