| barb(noun, top, point, head, spur) |
| backbone(noun, support, drive, strength, energy) |
| spike(noun, top, point, head, spur) |
| thorn(noun, top, sharp, point, head) |
| spinal column(noun, expression, idiom, back, backbone) |
| prickle(noun, sharp, point, short, sharpness) |
| spur(noun, top, point, head, needle) |
| vertebrae(noun, back, foundation, backbone) |
| back(noun, backbone) |
| needle(noun, sharp, needle, sharpness, spike) |
| quill(noun, point, short, needle, spike) |
| pricker |
| prong(noun, top, point, head, spur) |
| vertebral column(noun, expression, idiom, back, foundation) |
| bristle(noun, point, short, sharpness, spike) |
| point(noun, end, top, head, short) |
| prick(noun, top, sharp, head, spur) |
| rachis(noun, back, backbone) |
| ridge(noun, part, back, point, edge) |
| sticker(noun, top, point, head, spur) |