Which to use
“io” and “IUT” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #23,588
- “io” frequency rank
- #18,512
- “IUT” frequency rank
- 42100
- confusion score
Side-by-Side Comparison
| Feature | io | IUT |
|---|---|---|
| Definition | Septième lettre de l’alphabet cyrillique, ё. | Composante d'université française qui assure une formation continue d’enseignement supérieur, et délivre le diplôme DUT. |
Where the eye mixes io and IUT
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses io with IUT
A purely visual mix-up. io (\jo\) and IUT (\i.y.te\) 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 42100, derived from the frequency rank of both members and their visual similarity.
io is recorded at frequency rank #23,588, classified as anoun, pronounced \jo\. IUT is at rank #18,512, tagged as anoun, pronounced \i.y.te\.
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 42100, this pair ranks #228,229 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of io vs IUT
Shared letters: i. Private to "io": o. Private to "IUT": tu.
"io" · 2 letters · shape VV · "IUT" · 3 letters · shape VVC
Frequently Asked Questions
Is swapping "io" for "IUT" ever safe?
Frequency check: "io" vs "IUT" - 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 "io" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "IUT" - compare definitions side by side with the headword page. Word entry
- This pair ranks #228,229 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "io" and "IUT" also get mixed up with nearby pairs, the highest-scored neighbour is "io vs isi". Nearby pair
Confusion rank #228,229 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.