measurement error;  calculation error
 false report;  incorrect report;  misinformation;  false alarm
 misprint;  misspelling;  typo;  typographical error;  erratum
 accidental ingestion;  swallowing something by mistake
 to make a typo;  to type the wrong character
 erroneous entry;  misentry;  slip of the pen;  writing down wrongly (a sum, etc.)
 improper use;  wrong use;  misuse;  mishandling;  abuse
 misuse;  incorrect use;  abuse;  malapropism
 bombing (shelling) the wrong target;  (be killed by) friendly fire
 correct or incorrect;  right or wrong;  accuracy;  correction (of errors)
 misrecognition;  mistaking (x for y)
 breathing in (of a foreign body, food, etc.);  pulmonary aspiration;  mis-swallowing;  swallowing down the wrong pipe
 selecting the wrong kanji (when typing);  kanji typo;  misconversion
 misjudgement;  misjudgment;  erroneous judgement;  miscarriage of justice
 mistaken way of writing something;  mistaken spelling;  wrong way of writing something;  wrong spelling
 incorrect insertion (of equipment, unit, part)
 false alarm;  accidental alarm
 accidental bid;  bid made in mistake