Which to use
“ia” and “io” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,099
- “ia” frequency rank
- #23,588
- “io” frequency rank
- 29687
- confusion score
Side-by-Side Comparison
| Feature | ia | io |
|---|---|---|
| Definition | Trente-deuxième lettre de l’alphabet cyrillique, я. | Septième lettre de l’alphabet cyrillique, ё. |
Where the eye mixes ia and io
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: ia vs io
A purely visual mix-up. ia (\ja\) and io (\jo\) 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 a single letter - a in “ia” becomes o in “io”. Our composite confusion score for this pair is 29687, derived from the frequency rank of both members and their visual similarity.
ia is recorded at frequency rank #6,099, classified as anoun, pronounced \ja\. io is at rank #23,588, tagged as anoun, pronounced \jo\.
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 29687, this pair ranks #315,108 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ia vs io
Shared letters: i. Private to "ia": a. Private to "io": o.
"ia" · 2 letters · shape VV · "io" · 2 letters · shape VV
Frequently Asked Questions
Can "ia" and "io" be used interchangeably?
Frequency check: "ia" vs "io" - which ranks higher?
Useful next steps
Eye-level mix-up between "ia" and "io" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ia" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "io" - compare definitions side by side with the headword page. Word entry
- This pair ranks #315,108 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ia" and "io" also get mixed up with nearby pairs, the highest-scored neighbour is "io vs isi". Nearby pair
Confusion rank #315,108 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.