Which to use
“ib” is an abbrev and “io” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #24,896
- “ib” frequency rank
- #9,480
- “io” frequency rank
- 34376
- confusion score
Side-by-Side Comparison
| Feature | ib | io |
|---|---|---|
| Definition | Ibidem. | Algo. |
Where the eye mixes ib and io
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: ib vs io
These two trip readers on the page rather than in the ear: ib is [ˈiβ̞] while io is /ˈi.o/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - b in “ib” becomes o in “io”, and the parts of speech differ too (abbrev vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 34376, derived from the frequency rank of both members and their visual similarity.
ib is recorded at frequency rank #24,896, classified as anabbrev, pronounced [ˈiβ̞]. io is at rank #9,480, tagged as apron, pronounced /ˈi.o/.
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 34376, this pair ranks #191,788 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ib vs io
Shared letters: i. Private to "ib": b. Private to "io": o.
"ib" · 2 letters · shape VC · "io" · 2 letters · shape VV
Frequently Asked Questions
Is swapping "ib" for "io" ever safe?
Frequency check: "ib" vs "io" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ib" 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 #191,788 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ib" and "io" also get mixed up with nearby pairs, the highest-scored neighbour is "ib vs iza". Nearby pair
Confusion rank #191,788 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.