Which to use
“Obi” is a name and “os” is a noun - they look or sound alike but fill different roles in a sentence.
- #35,620
- “Obi” frequency rank
- #2,632
- “os” frequency rank
- 38252
- confusion score
Side-by-Side Comparison
| Feature | Obi | os |
|---|---|---|
| Definition | Variante de Ob. | Élément du squelette des animaux vertébrés, fait de ce tissu dur et calcifié. |
Where the eye mixes Obi and os
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: Obi vs os
These two trip readers on the page rather than in the ear: Obi is [ɔbi] while os is \ɔs\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 38252, derived from the frequency rank of both members and their visual similarity.
Obi is recorded at frequency rank #35,620, classified as aname, pronounced [ɔbi]. os is at rank #2,632, tagged as anoun, pronounced \ɔs\.
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 38252, this pair ranks #256,597 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Obi vs os
Shared letters: o. Private to "Obi": bi. Private to "os": s.
"Obi" · 3 letters · shape VCV · "os" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "Obi" for "os" ever safe?
Which is more common, "Obi" or "os"?
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 "Obi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "os" - compare definitions side by side with the headword page. Word entry
- This pair ranks #256,597 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Obi" and "os" also get mixed up with nearby pairs, the highest-scored neighbour is "Obi vs och". Nearby pair
Confusion rank #256,597 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.