1. cascata, catarata, cachoeira   river   mountain   waterfall, falls   lake   Hint Half-n-half Clue   2. lago   waterfall, falls   river   island   lake   Half-n-half Clue   3. vale   valley   lagoon   peak   country   Half-n-half Clue   4. oásis   island   oasis   plateau   plain   Half-n-half Clue   5. planície   plain   city, town   reef   waterfall, falls   Half-n-half Clue   6. rio   river   sea   reef   strait   Half-n-half Clue   7. deserto   oasis   strait   desert   peninsula   Half-n-half Clue