Which to use
“og” is a conjunction and “os” is a noun - they look or sound alike but fill different roles in a sentence.
- #29,889
- “og” frequency rank
- #2,632
- “os” frequency rank
- 32521
- confusion score
Side-by-Side Comparison
| Feature | og | os |
|---|---|---|
| Definition | Et, conjonction exprimant l’addition. | Élément du squelette des animaux vertébrés, fait de ce tissu dur et calcifié. |
Where the eye mixes og and os
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between og and os
These two trip readers on the page rather than in the ear: og is \ɔːɣ\ while os is \ɔs\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - g in “og” becomes s in “os”, and the parts of speech differ too (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 32521, derived from the frequency rank of both members and their visual similarity.
og is recorded at frequency rank #29,889, classified as aconj, pronounced \ɔːɣ\. 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 32521, this pair ranks #296,714 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of og vs os
Shared letters: o. Private to "og": g. Private to "os": s.
"og" · 2 letters · shape VC · "os" · 2 letters · shape VC
Frequently Asked Questions
Can "og" and "os" be used interchangeably?
In ordinary French text, does "og" or "os" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "og" 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 #296,714 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "og" and "os" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs og". Nearby pair
Confusion rank #296,714 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.