Which is correct?
You can customize an _________ report on the fly to find the answer to a question that isn’t a part of regular reporting.
a. ad hoc
b. ad hock
c. add hoc
d. add hock
Most people that are using this phrase spell it correctly. Google survey says:
ad hoc: 29,000,000
ad hock: 30,600
add hoc: 30,500 results
add hock: 3,630 results
Nevertheless, I was surprised by the number of “ad hocks” and “add hocks” in otherwise well-written documents. Not quite so surprised, though, to notice that most seemed to be IT-related.
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