| Answer | Crossword Clue |
|---|---|
| PROP | Buttress |
| SHOREUP | Buttress |
| PROP | Buttress. |
| PILA | Buttress. |
| PIER | Buttress. |
| PIER | Buttress |
| REINFORCE | Buttress |
| PROP | Buttress, with "up" |
| PIER | Buttress of sorts |
| buttressing | BUTTRESS, to prop up |
| buttresses | BUTTRESS, to prop up |
| buttressed | BUTTRESS, to prop up |
| counterfort | a buttress or arch supporting a retaining wall |
| counterforts | COUNTERFORT, a buttress or arch supporting a retaining wall |
