Slip, perhaps
Else clues• Certain erratum
• Dropping
• Elision
• Errata listing
• It may be a sin
• It was neglected
• It's left out
• Leaving out
• Neglected item
• Neglected thing
• Oversight
• Sin of ___ (negligence)
• Skipping
• Something left out
• Something neglected
• Typo type
• What's left out
• A mistake resulting from neglect
• Something that has been omitted
• Any process whereby sounds are left out of spoken words or phrases
• Neglecting to do something
• Leaving out or passing over something