Which to use
“ibis” and “ios” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #31,067
- “ibis” frequency rank
- #8,870
- “ios” frequency rank
- 39937
- confusion score
Side-by-Side Comparison
| Feature | ibis | ios |
|---|---|---|
| Definition | Espèce d'oiseau échassier de la famille des threskiornithidés, au bec long, mince et recourbé. | Pluriel de io. |
Where the eye mixes ibis and ios
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ibis runs 4 letters (VCVC) against ios's 3 (VVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses ibis with ios
A purely visual mix-up. ibis (\i.bis\) and ios (\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 39937, derived from the frequency rank of both members and their visual similarity.
ibis is recorded at frequency rank #31,067, classified as anoun, pronounced \i.bis\. ios is at rank #8,870, 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 39937, this pair ranks #244,257 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ibis vs ios
Shared letters: is. Private to "ibis": b. Private to "ios": o.
"ibis" · 4 letters · shape VCVC · "ios" · 3 letters · shape VVC
Known mistypes of this pair
- ibis ← biis · ibbis · ibiss · ibsi · iibs
Frequently Asked Questions
Is swapping "ibis" for "ios" ever safe?
Which is more common, "ibis" or "ios"?
After this comparison
Eye-level mix-up between "ibis" and "ios" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ibis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ios" - compare definitions side by side with the headword page. Word entry
- This pair ranks #244,257 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ibis" and "ios" also get mixed up with nearby pairs, the highest-scored neighbour is "ibis vs isi". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #244,257 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.