Which to use
“ISBN” and “isla” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #20,176
- “ISBN” frequency rank
- #36,015
- “isla” frequency rank
- 56191
- confusion score
Side-by-Side Comparison
| Feature | ISBN | isla |
|---|---|---|
| Definition | Numéro international qui permet d’identifier, de manière unique, chaque livre publié. | Île. |
Where the eye mixes ISBN and isla
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: ISBN vs isla
A purely visual mix-up. ISBN (\i.ɛs.be.ɛn\) and isla (\ˈis.la\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 56191, derived from the frequency rank of both members and their visual similarity.
ISBN is recorded at frequency rank #20,176, classified as anoun, pronounced \i.ɛs.be.ɛn\. isla is at rank #36,015, tagged as anoun, pronounced \ˈis.la\.
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 56191, this pair ranks #122,645 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ISBN vs isla
Shared letters: is. Private to "ISBN": bn. Private to "isla": al.
"ISBN" · 4 letters · shape VCCC · "isla" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Can "ISBN" and "isla" be used interchangeably?
Frequency check: "ISBN" vs "isla" - which ranks higher?
What to do next
Eye-level mix-up between "ISBN" and "isla" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ISBN" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "isla" - compare definitions side by side with the headword page. Word entry
- This pair ranks #122,645 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ISBN" and "isla" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs isla". 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 #122,645 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.