Final answer:
The pair that has a different relationship between its words is Water : wash.
Step-by-step explanation:
The pair that has a different relationship between its words when compared to the rest of the pairs is Water : wash. In the other pairs, the first word is the tool or action used to perform the second word. For example, a knife is used to cut, and a word is used to write. However, in the pair water and wash, water is not typically used to wash. Instead, we use water as the medium to perform the action of washing.
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