1. ぐんとう   volcano   cave   archipelago   shore   Hint Half-n-half Clue   2. かいがん   mountain pass   archipelago   trench   coast   Half-n-half Clue   3. かいがん   shore   mountain pass   summit, top   territory   Half-n-half Clue   4. ぬまち、ていしつち   swamp   archipelago   hill   globe   Half-n-half Clue   5. いずみ   trench   rainforest   hill   spring   Half-n-half Clue   6. ちほう、ちいき   globe   map   landscape   territory   Half-n-half Clue   7. こやま、おか   iceberg   hill   sea bed   field   Half-n-half Clue