Which to use
“IFA” and “io” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #43,981
- “IFA” frequency rank
- #23,588
- “io” frequency rank
- 67569
- confusion score
Side-by-Side Comparison
| Feature | IFA | io |
|---|---|---|
| Definition | API, alphabet phonétique international. | Septième lettre de l’alphabet cyrillique, ё. |
Where the eye mixes IFA and io
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses IFA with io
A purely visual mix-up. IFA (\i.fo.a\) 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 1 letter(s) in length. Our composite confusion score for this pair is 67569, derived from the frequency rank of both members and their visual similarity.
IFA is recorded at frequency rank #43,981, classified as anoun, pronounced \i.fo.a\. 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 67569, this pair ranks #62,848 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of IFA vs io
Shared letters: i. Private to "IFA": af. Private to "io": o.
"IFA" · 3 letters · shape VCV · "io" · 2 letters · shape VV
Frequently Asked Questions
Can "IFA" and "io" be used interchangeably?
Frequency check: "IFA" vs "io" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "IFA" 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 #62,848 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "IFA" and "io" also get mixed up with nearby pairs, the highest-scored neighbour is "IFA vs isi". Nearby pair
Confusion rank #62,848 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.