Which to use
“og” is a conjunction and “on” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #29,889
- “og” frequency rank
- #29
- “on” frequency rank
- 29918
- confusion score
Side-by-Side Comparison
| Feature | og | on |
|---|---|---|
| Definition | Et, conjonction exprimant l’addition. | Pronom de la troisième personne du singulier. — Note d’usage : S’utilise pour désigner une ou des personnes indéfinies, en remplacement d’une forme passive. |
Where the eye mixes og and on
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses og with on
These two trip readers on the page rather than in the ear: og is \ɔːɣ\ while on is \ɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - g in “og” becomes n in “on”, and the parts of speech differ too (conjunction vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 29918, 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\. on is at rank #29, tagged as apron, pronounced \ɔ̃\.
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 29918, this pair ranks #313,674 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of og vs on
Shared letters: o. Private to "og": g. Private to "on": n.
"og" · 2 letters · shape VC · "on" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "og" for "on" ever safe?
Which is more common, "og" or "on"?
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 "og" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "on" - compare definitions side by side with the headword page. Word entry
- This pair ranks #313,674 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "og" and "on" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs og". Nearby pair
Confusion rank #313,674 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.