Lessico cruciverba / Vocabulary crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
             1     2      
3      4                  
                  5    
             6         
 7                     
                    
   8                   
                    
    9                  
                    
   10                   
                    
11                      
                    
  12                    
                    
 13