Brothers in arms

Puzzle

Click on a number and find the English word corresponding to the definition (or synonym).

    1      2          3    4   
5                6       
           7          
              8       
9         10              
                   
11   12                    
         13   14           
     15           16       
       17   18             
              19       
 20    21            22        
                   
        23             
             24        
                   
       25              
 26                    
       27