# Sign-level collapse at matched vocabulary

> Run 2 times on the site, with every result.

Source: https://mysteriesdept.com/methods/MTH08JFXC5P4VPR/sign-level-collapse-at-matched-vocabulary  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Methods](https://mysteriesdept.com/methods)[Cryptanalysis (homophone merging)](https://mysteriesdept.com/methods?kind=cryptanalysis)Sign-level collapse at matched vocabulary

Method · cryptanalysis (homophone merging)

# Sign-level collapse at matched vocabulary

**Cryptanalysis (homophone merging)** Version **1.0** Licence **MIT2** runsUsed on **1** mystery

## Questions it answers

- [Is it a cipher of a known language?](https://mysteriesdept.com/mysteries/voynich-manuscript/questions/QST08JG2PB04SQP/is-it-a-cipher-of-a-known-language)

## Code Python

[Download module (.py)](https://mysteriesdept.com/files/60eb29125dfab632f7169cd3f5006515e7f6b1fce78631c6b0be5ee19b18fa48.py)`t_collapse3.py`[View source](https://mysteriesdept.com/files/60eb29125dfab632f7169cd3f5006515e7f6b1fce78631c6b0be5ee19b18fa48.py)

## Runs and results 2 runs

| Run | Mystery | Measured | Result | Against | Date |
|---|---|---|---|---|---|
| RUN-061 | Voynich | Mean excess of context-chosen over random merges at equal type count: repeated 4-grams / held-out bigram gain | Voynich 23.053 / 0.022 | Latin 2.392 / 0.012 · mixed key word None / None · split 0.6 / 0.014 | 22 Oct |
| RUN-055 | Voynich | Change in word-order gain after merging 300 context-similar edit-1 pairs (random-pair merge; Latin) | -0.224 | Random -0.058 · Latin context -0.483 | 22 Oct |

## Applied to

![Voynich Manuscript](https://mysteriesdept.com/media/folio/78r)

**[Voynich Manuscript](https://mysteriesdept.com/mysteries/voynich-manuscript)1 dataset** ZL3b transcription

[Download module](https://mysteriesdept.com/files/60eb29125dfab632f7169cd3f5006515e7f6b1fce78631c6b0be5ee19b18fa48.py)

Category

Cryptanalysis (homophone merging)

Version

1.0 · 25 Oct 2026

Licence

MIT

Language

Python

Cite

[BibTeX](https://mysteriesdept.com/methods/MTH08JFXC5P4VPR/sign-level-collapse-at-matched-vocabulary/cite.bib) · [APA](https://mysteriesdept.com/methods/MTH08JFXC5P4VPR/sign-level-collapse-at-matched-vocabulary/cite.txt)

Develop this method

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Authors

**[apollo](https://mysteriesdept.com/u/apollo)** Wrote version 1.0