| snag(noun, point, head, spur) |
| spike(noun, point, head, spur) |
| spine(noun, point, head, spur) |
| spire(noun, point, limit, head) |
| spur(noun, point, head, tip) |
| sticker(noun, point, head, spur) |
| stiletto(noun, point, head, spur) |
| summit(noun, point, head, spur) |
| sword(noun, point, head, spur) |
| term(noun, end, point, limit) |
| terminal(noun, point, limit, extreme) |
| thorn(noun, point, head, spur) |
| tine(noun, point, head, spur) |
| base(noun, edge, side, bottom) |
| border(noun, edge, side, term) |
| borderline(noun, point, limit, extreme) |
| bottom(noun, edge, side, extremity) |
| bound(noun, point, limit, extreme) |
| confine(noun, point, limit, extreme) |
| deadline(noun, point, limit, extreme) |