Answer:
The secret word is "Espionage".
Explanation:
The code 5 19 16 9 15 14 1 7 5 means "Espionage", as every number's meaning is the position in which each letter appears in the alphabet.
So, acording to this criteria, the meaning of each number would be:
-5 --- E
-19 --- S
-16 --- P
-9 --- I
-15 --- O
-14 --- N
-1 --- A
-7 --- G
-5 --- E
