Which to use
“I” is a symbol and “io” is a noun - they look or sound alike but fill different roles in a sentence.
- #381
- “I” frequency rank
- #23,588
- “io” frequency rank
- 23969
- confusion score
Side-by-Side Comparison
| Feature | I | io |
|---|---|---|
| Definition | Symbole chimique de l’iode. | Septième lettre de l’alphabet cyrillique, ё. |
Letter map: I vs io
Shared letters muted; letters that set I and io apart highlighted. Shared run: 1.
Part-of-speech tell for I / io
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: I is asymbol and ioanoun. On the page they differ by 1 extra letter(s) - “I” sits inside “io”. Our composite confusion score for this pair is 23969, derived from the frequency rank of both members and their visual similarity.
I is recorded at frequency rank #381, classified as asymbol. 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 23969, this pair ranks #349,409 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of I vs io
Shared letters: i. Private to "I": -. Private to "io": o.
"I" · 1 letters · shape V · "io" · 2 letters · shape VV
Frequently Asked Questions
Is swapping "I" for "io" ever safe?
In ordinary French text, does "I" or "io" show up more?
What to do next
Done with this confusable. These links stay specific to "I" and "io".
- Full dictionary entry for "I" 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 #349,409 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "I" and "io" also get mixed up with nearby pairs, the highest-scored neighbour is "io vs isi". Nearby pair
Confusion rank #349,409 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.