1              2     3    
                 
     4              
                 
   5      6     7         
                 
                 
                 
   8                
                 
   9     10          11     
          12         
   13     14             
          15   16        
                 
  17                 
                 

Across

1. More advanced, complex
4. Undertstand (2 words)
6. Probably
8. Dark form seen when light shines from behind an object
9. Thoughts
12. Further down
14. Origin, or part of the plant which grows underground
15. Any person
17. Word used to refer to something associated to a word in the previous clause

Down

1. The way letters are put together to form words
2. Reaction of surprise
3. Put in again
4. Less and less
5. Attempt to reply when we don't actually know
6. Suspicious
7. Taken from another source
10. Stem from
11. Sense
13. Refers to two things or people
16. Grammatical word for an object or person