The Crisigram of Magic

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Across
  1. 3. r _ _ _ _ _ e (Natural)
  2. 4. m _ _ _ _ _ _ _ _ _ _ _ _ _ s (Math)
  3. 6. o_ _ _ _ _s (Inglish)
  4. 7. s _ _ _ _ _ _ _ _ _ _ n (Math)
  5. 10. h_ _ _ t (Natural)
  6. 12. r _ _ _ _ e (Natural)
  7. 15. d _ _ _ _ _ _ h (Math)
  8. 16. s _ m (Math)
Down
  1. 1. j _ _ _ _ _ _ _ h (Inglish)
  2. 2. a _ _ _ _ _ c (Inglish)
  3. 5. p _ _ _ _ _ t (Inglish)
  4. 8. s _ _ _ y (d.h.i)
  5. 9. r_ _ _ _e (Natural)
  6. 11. d _ _ _ _ _ _ _ n (Lenguage)
  7. 13. a _ _ _ _ _ s (Natural)
  8. 14. f _ _ h (Inglish)