er·ran·cy /ˈɛrən(t)si/
錯誤;易誤
Er·ran·cy n. A wandering; state of being in error.
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errancy
n 1: (Christianity) holding views that disagree with accepted
doctrine; especially disagreement with Papal
infallibility; "he denies the errancy of the Catholic
Church"
2: fallibility as indicated by erring or a tendency to err
[ant: inerrancy]