Which to use
“od” is a noun and “os” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #41,510
- “od” frequency rank
- #449
- “os” frequency rank
- 41959
- confusion score
Side-by-Side Comparison
| Feature | od | os |
|---|---|---|
| Definition | Fuego. | Caso acusativo y dativo del pronombre personal vosotros, una de las formas de la segunda persona del plural en español. |
Where the eye mixes od and os
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between od and os
These two trip readers on the page rather than in the ear: od is [od] while os is [os]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “od” becomes s in “os”, and the parts of speech differ too (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 41959, derived from the frequency rank of both members and their visual similarity.
od is recorded at frequency rank #41,510, classified as anoun, pronounced [od]. os is at rank #449, tagged as apron, pronounced [os].
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 41959, this pair ranks #150,838 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of od vs os
Shared letters: o. Private to "od": d. Private to "os": s.
"od" · 2 letters · shape VC · "os" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "od" for "os" ever safe?
In ordinary Spanish text, does "od" or "os" show up more?
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 "od" 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 #150,838 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "od" and "os" also get mixed up with nearby pairs, the highest-scored neighbour is "od vs ome". Nearby pair
Confusion rank #150,838 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.