| tighten security | 50.36 | Security was tightened. | ||
| tighten control | 26.99 | Putin has already begun to tighten control. | ||
| tighten grip | 12.77 | Sir John tightened his grip. | ||
| tighten rule | 12.51 | Efforts to tighten the rules have failed. | ||
| tighten restriction | 9.81 | Illinois has tightened income restrictions. | ||
| tighten belt | 9.55 | But Washington is tightening belts. | ||
| tighten law | 8.82 | He wants the law tightened. | ||
| tighten credit | 8.29 | To tighten credit is to raise interest rates. | ||
| tighten policy | 7.64 | But policy was then tightened. | ||
| tighten regulation | 7.37 | The department said it would tighten the regulations. | ||
| tighten sanction | 6.45 | Council prepares to tighten sanctions. | ||
| tighten standard | 5.86 | The law says that standards must be tightened. | ||
| tighten screw | 4.67 | Tighten the screws firmly. | ||
| tighten noose | 4.54 | Tighten that noose. | ||
| tighten procedure | 3.95 | Albright vowed to tighten procedures. | ||
| tighten requirement | 3.55 | One would tighten disclosure requirements. | ||
| tighten measure | 3.03 | The reports caused the casino to tighten security measures. | ||
| tighten enforcement | 2.17 | The city also tightened enforcement of its leash laws. | ||
| tighten defense | 2.04 | We have to tighten our defenses. | ||
| tighten border | 1.97 | The EU wants Hungary to tighten its border. |