1. castanheira   chestnut   birch   maple   pine   Hint Half-n-half Clue   2. plátano   poplar   chestnut   maple   birch   Half-n-half Clue   3. ulmeiro   elm   poplar   oak   pine   Half-n-half Clue   4. pinheiro   beech   fir   chestnut   birch   Half-n-half Clue   5. cedro   cedar   poplar   beech   birch   Half-n-half Clue   6. carvalho   oak   beech   chestnut   fir   Half-n-half Clue   7. pinho   fir   chestnut   pine   oak   Half-n-half Clue