Continental and coastal relief:
Mountains: montañas
Valleys: valles
Plains: llanuras
Plateaus: meseta
Basins: cuencas
Mountains range: cordillera
Peninsula: cordillera
Isthmus: istmo
Cape: capa
Gulf: golfo
Bay: bahía
Island: isla
Archipelago: archipiélago
Beaches: playas
Cliffs: acantilados