| frontal assault | 3.82 | A full frontal assault right in the snout. | ||
| frontal boundary | 3.55 | The stationary frontal boundary stretched from Texas into North Carolina. | ||
| frontal system | 2.96 | A complex frontal system will cross the Rockies. | ||
| frontal nudity | 2.44 | Frontal nudity. | ||
| frontal trough | 1.84 | Pre- frontal trough ahead of the front. | ||
| frontal attack | 1.51 | There will be more ambushes and frontal attacks. | ||
| frontal crash | 0.66 | This is known as a frontal offset crash. | ||
| frontal zone | 0.59 | An unusually strong temperature contrast will occur across the frontal zone. | ||
| frontal collision | 0.39 | Frontal collisions are less deadly than side-impact crashes. | ||
| frontal cortex | 0.39 | But the size of the frontal cortex as compared with the rest of the cerebral hemisphere barely differed among the top primates. | ||
| frontal area | 0.33 | Input from the frontal area of the brain helps override the fear. | ||
| frontal view | 0.33 | The first two police drawings were frontal views. |