| frog population | 0.53 | Also replenished, the village pond, which had lost its frog population. | ||
| frog deformity | 0.46 | SCI-US-DEFORMED FROGS Parasitic worms cause frog deformities. | ||
| frog hunter | 0.46 | Last weekend, Russian border guards detained two separate groups of Chinese frog hunters. | ||
| frog egg | 0.39 | The eels eat small fish, crayfish, prawns, frogs, frog eggs and tadpoles. | ||
| frog leg | 0.39 | Lee Walburn, for example, considers frog legs a delicacy. | ||
| frog posture | 0.33 | The frog posture is done in a sitting position. | ||
| frog species | 0.33 | Declining populations of some frog species around the world have focused attention and research dollars on the animals. | ||
| frog closure | 0.26 | A pair of knee-high boots had frog closures. | ||
| frog embryo | 0.26 | Scientists create headless frog embryo. |