to deceive; to falsify; to dodge; to beg the question (issue, difficulties); to varnish over; to gloss over
measurement error; calculation error
hanky-panky; juggling; cheating; deception; smoke and mirrors
misrecognition; mistaking (x for y)
misprint; misspelling; typo; typographical error; erratum
false report; incorrect report; misinformation; false alarm
mistake; error; discrepancy; discrepancy between one's actions and intentions
misuse; incorrect use; abuse; malapropism
wrong diagnosis; misdiagnosis
bombing (shelling) the wrong target; (be killed by) friendly fire
mistaken arrest; arrest based on misidentification
misprint; typographical error; typo
correct or incorrect; right or wrong; accuracy; correction (of errors)
misreading; misinterpreting
mistaken answer or response
misrecognition; mistaking (x for y)
accidental ingestion; swallowing something by mistake
misjudgment; misjudgement
erroneous entry; misentry; slip of the pen; writing down wrongly (a sum, etc.)
breathing in (of a foreign body, food, etc.); pulmonary aspiration; mis-swallowing; swallowing down the wrong pipe
misleading; misdirecting; leading astray
allowable error; allowable limit of error
selecting the wrong kanji (when typing); kanji typo; misconversion
to make a typo; to type the wrong character
misjudgement; misjudgment; erroneous judgement; miscarriage of justice
misunderstanding; misinformation
mistaken way of writing something; mistaken spelling; wrong way of writing something; wrong spelling
errata; erratum; corrigenda; corrigendum
improper use; wrong use; misuse; mishandling; abuse
hamartoma; benign malformation resembling a neoplasm
delivery to the wrong house or person (email, postal items, etc.); false notification; mistaken notification; notifying somebody incorrectly
accidental bid; bid made in mistake
incorrect insertion (of equipment, unit, part)
fallacy (sometimes esp. a paralogism)
false alarm; accidental alarm
misdelivery; sending to the wrong place
error diffusion; random dither
to be confused; to be flustered; to be at a loss
to fluster; to abash; to befuddle