>>41513063If ground and rock were merged to one type...
DEFENSIVE
Weak to: fighting, grass, ice, water, ground, steel
Resistant to: fire, flying, normal, poison, rock
OFFENSIVE
Super-effective against: electric, fire, flying, ice, poison, rock
Not-very-effective against: fighting, ground, grass
I think that's everything, if you overlap their current type chart mechanics and pretend they are now a single type.