Which to use
“ios” and “iso” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #8,870
- “ios” frequency rank
- #12,181
- “iso” frequency rank
- 21051
- confusion score
Side-by-Side Comparison
| Feature | ios | iso |
|---|---|---|
| Definition | Pluriel de io. | Plan isométrique. |
Where the eye mixes ios and iso
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses ios with iso
A purely visual mix-up. ios (\jo\) and iso (\i.zo\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ only by swapping two adjacent letters (os ↔ so) - a transposition the eye reads straight past. Our composite confusion score for this pair is 21051, derived from the frequency rank of both members and their visual similarity.
ios is recorded at frequency rank #8,870, classified as anoun, pronounced \jo\. iso is at rank #12,181, tagged as anoun, pronounced \i.zo\.
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 21051, this pair ranks #365,106 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ios vs iso
Shared letters: ios. Private to "ios": -. Private to "iso": -.
"ios" · 3 letters · shape VVC · "iso" · 3 letters · shape VCV
Frequently Asked Questions
Do "ios" and "iso" mean the same thing in a sentence?
Frequency check: "ios" vs "iso" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ios" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "iso" - compare definitions side by side with the headword page. Word entry
- This pair ranks #365,106 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ios" and "iso" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs iso". Nearby pair
Confusion rank #365,106 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.