Which to use
“IGN” and “ISBN” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,597
- “IGN” frequency rank
- #20,176
- “ISBN” frequency rank
- 48773
- confusion score
Side-by-Side Comparison
| Feature | IGN | ISBN |
|---|---|---|
| Definition | Organisme public ayant pour mission d’assurer la production, l’entretien et la diffusion de l’information géographique de référence. | Numéro international qui permet d’identifier, de manière unique, chaque livre publié. |
Where the eye mixes IGN and ISBN
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses IGN with ISBN
A purely visual mix-up. IGN (\i.ʒe.ɛn\) and ISBN (\i.ɛs.be.ɛn\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48773, derived from the frequency rank of both members and their visual similarity.
IGN is recorded at frequency rank #28,597, classified as anoun, pronounced \i.ʒe.ɛn\. ISBN is at rank #20,176, tagged as anoun, pronounced \i.ɛs.be.ɛn\.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 48773, this pair ranks #176,145 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of IGN vs ISBN
Shared letters: in. Private to "IGN": g. Private to "ISBN": bs.
"IGN" · 3 letters · shape VCC · "ISBN" · 4 letters · shape VCCC
Known mistypes of this pair
- ISBN ← ibsn · isbbn · isbnn · isnb · issbn · sibn
Frequently Asked Questions
Can "IGN" and "ISBN" be used interchangeably?
In ordinary French text, does "IGN" or "ISBN" show up more?
Useful next steps
Eye-level mix-up between "IGN" and "ISBN" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "IGN" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ISBN" - compare definitions side by side with the headword page. Word entry
- This pair ranks #176,145 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "IGN" and "ISBN" also get mixed up with nearby pairs, the highest-scored neighbour is "IGN vs isi". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #176,145 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.