| back injury | 54.77 | A neck or back injury? | ||
| back problem | 36.01 | Back problems tormented him. | ||
| back pain | 35.35 | ...chronic back pain. | ||
| back spasm | 27.52 | Back spasms are worse. | ||
| back nine | 22.38 | The back nine. | ||
| back surgery | 21.00 | He has had back surgery. | ||
| back pay | 19.95 | That means no back pay. | ||
| back road | 15.54 | I know the back roads. | ||
| back wage | 14.94 | Petukhov also has paid off back wages. | ||
| back row | 12.38 | Git in the back row! | ||
| back share | 11.26 | More appropriately we may buy back shares. | ||
| back tear | 10.47 | Nancy forced back tears. | ||
| back wall | 9.74 | Well the back wall looks wet. | ||
| back stock | 9.15 | Buy back stock? | ||
| back porch | 8.29 | The back porch. | ||
| back side | 8.23 | Neither cooled off on the back side. | ||
| back pocket | 8.16 | I took it out of my back pocket. | ||
| back tax | 7.83 | He owes back taxes to the governments. | ||
| back end | 7.77 | The back end of the Winnebego was demolished. | ||
| back line | 7.57 | It landed safely inside the back line. |