roll » role
It is possible to equate ‘role’ with ‘duty’, and since ‘roll call’ is mostly used in a military context, there could be some semantic association being made with soldiers’ “roles” in battle. It’s particularly transparent in the second quote above — the individual choosing to take on a role that displays faithfulness. But I’m not sure how much of an eggcorn it is in the classroom context — any ideas?
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Commentary by Jason Parker-Burlingham , 2005/09/15 at 12:56 am
It’s also possible to observe this eggcorn in the wild as “fill [a] roll”. Sometimes the author will be speaking about using camera film, but often not.
Google lists 1000 possible eggcorns versus 100,000 correct uses.