3 definitions
Definition.com
A Rival (n.) got renamed: the lecturer who thought he alone had summarized Freud asked for Hitschmann's book as “Hartmann's” — a botched Schopenhauer — and later wrote “Hintschmann”.
Definition.com
A Slip of the tongue (n.) can turn prophetic: the director kept calling the deposed old president “expiring” rather than “outgoing” — and he died a few days later (at over eighty).
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A Typo (n.) has a political demon: the Epirote leader's support for Prince Wied, said the paper, was something “he could fall down on” — as indeed he would.