The best replacement for errors is mistakes.

The best alternatives to errors are rated as following:
★★★★★  mistakes
★★★  omissions
★★★  defects
★★  systematic errors
★  residuals
★  random errors
★  omissions disclaimer
★  exceptions
★  logic errors
★  inconsistencies were found
★  syntax errors
★  bugs
★  biases
  faults
  path errors
  failures
  grammar errors
  local errors
  omission
  mistake
  type ii errors
  phonological processes
  non errors
  standard deviations
  line errors

Your alternative for errors is not listed? Suggest!
Speaking about errors, one probably shouldn't forget about vlookup.

Other search terms related to errors and their ratings are:
★★★★★ vlookup
You have in mind a companion for errors and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of errors in all years. Click on graph for more.
errors
mistakes
omissions