| fortify position | 2.50 | As they fight, he fortifies his position. | ||
| fortify border | 0.99 | Serb forces fortify border after choking off refugee flow. | ||
| fortify food | 0.79 | Another option is fortifying staple foods. | ||
| fortify dike | 0.53 | Volunteers are trying to fortify dikes that are already saturated. | ||
| fortify door | 0.46 | Major airlines fortified cockpit doors. | ||
| fortify bunker | 0.33 | Cement was banned out of fear the rebels would use it to fortify their bunkers. | ||
| fortify defense | 0.33 | Soldiers were fortifying their defenses in Jaffna. | ||
| fortify product | 0.33 | ...fortified cereal products. | ||
| fortify sugar | 0.33 | For example, Guatemala fortifies sugar with vitamin A, the report said. | ||
| fortify town | 0.33 | The town was heavily fortified. | ||
| fortify compound | 0.26 | Where they do work, their compounds are heavily fortified. | ||
| fortify milk | 0.26 | The ads noted a rival dairy fortifies its milk with vitamins derived from fish oil. |