The weakness of the ground element is water and grass. Those I know are correct. But I'm not absolutley sure, but ground also may be its own weakness.
Ground is electrics only weakness.
The only weakness there is a Ground-type Pokémon.
Ground
Ground
Ground and Psychic.
ground type
Ground is electrics only weakness.
ground.
The weakness of electric type Pokemon is ground type Pokemon.
Fire, ground
ground type
The only weakness there is a Ground-type Pokémon.
Ground only.
Ground
Ground
Water, Ground and Rock.
Ground