Feature · Stage 3, Check the book

Introduced once, then never again.

A term that appears exactly once is either a deliberate piece of texture or the last surviving trace of something you removed. Both are worth seeing. In practice this is also where misspelled versions of real names surface.

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How it works

One mention, in position order.

1

Counted across the whole manuscript

Mentions are counted on every occurrence in the trimmed body text, not on a sample, so a count of one really means one.

2

Listed in the order they appear

Sorted by position rather than alphabetically, because a cluster of one-offs in one chapter usually means a single scene was rewritten around them.

3

Shown with their only sentence

The single context is included, which is normally enough to tell colour from mistake.

Use cases

What one mention usually means.

Revision

A character introduced in a subplot you cut, still named once.

Fantasy

Aelric appearing once beside forty mentions of Aelrik.

Sci-fi

A ship renamed in draft three, surviving in one paragraph.

Worldbuilding

Deliberate texture, a city mentioned once to imply a wider map.

FAQ

Questions about one-off terms.

Should I delete everything on this list?

Definitely not. Single mentions are one of the ways a world implies depth. The list is for recognising the ones that are accidents.

How do I tell a typo from a deliberate one-off?

Check it against the similar-name report. A one-off that is one letter away from a term used forty times is almost always a misspelling.

Is this in the free scan?

The count is free. The terms themselves need full access.

See what only appears once.

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