clerical error
compositor
corrigendum
erratum
error
failure
fault
faute
human error
misapprehension
miscalculation
miscarriage
misconception
miscount
misdeal
misidentification
misjudgment
misplay
misprint
misquotation
misreport
miss
misstatement
mistake
misunderstanding
misuse
typographical error
andshould
clicko
happenstance
hard-target
misplacement
scanno
spello
there
thinko
hypo