| economic backbone | 0.46 | The small business people of Britain are the economic backbone of the nation. | ||
| financial backbone | 0.33 | The banks have the financial backbone. | ||
| strong backbone | 0.33 | Dick Weiss has a strong backbone. | ||
| sturdy backbone | 0.33 | But what if a skater stays at the top in the sport so many years that she develops a sturdy backbone and can stand on her own? | ||
| long backbone | 0.26 | Munchkins do not have the abnormally long backbones that dachshunds have. |