| staff(noun, support, stay, bar, prop) |
| stanchion(noun, support, stay, bar, shaft) |
| stave(noun, support, stay, bar, prop) |
| stay(noun, support, bar, shaft, prop) |
| stirrup(noun, support, stay, bar, brace) |
| strengthener(noun, support, stay, bar, brace) |
| stringer(noun, beam, shaft, letdown, pole) |
| strip(noun, beam, shaft, pole, pillar) |
| strut(noun, support, stay, bar, shaft) |
| stud(noun, beam, shaft, pole, pillar) |
| summer |
| sustainer(noun, support, stay, bar, brace) |
| timber(noun, beam, shaft, letdown, pole) |
| transverse(noun, beam, shaft, pole, pillar) |
| trestle(noun, beam, shaft, pole, pillar) |
| two-by-four(noun, beam, shaft, letdown, pole) |
| underpinning(noun, support, stay, bar, prop) |
| vice(noun, support, stay, bar, prop) |
| RSJ(noun, shaft, timber, rafter, girder) |
| aid |