Which to use
“obs” and “opt” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,851
- “obs” frequency rank
- #42,502
- “opt” frequency rank
- 56353
- confusion score
Side-by-Side Comparison
| Feature | obs | opt |
|---|---|---|
| Definition | Deuxième personne du singulier de l’impératif présent de obsen. | Opter. |
Where the eye mixes obs and opt
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between obs and opt
A purely visual mix-up. obs (\ɔps\) and opt (\ɒpt\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 56353, derived from the frequency rank of both members and their visual similarity.
obs is recorded at frequency rank #13,851, classified as averb, pronounced \ɔps\. opt is at rank #42,502, tagged as averb, pronounced \ɒpt\.
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 56353, this pair ranks #121,622 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of obs vs opt
Shared letters: o. Private to "obs": bs. Private to "opt": pt.
"obs" · 3 letters · shape VCC · "opt" · 3 letters · shape VCC
Frequently Asked Questions
Can "obs" and "opt" be used interchangeably?
Frequency check: "obs" vs "opt" - which ranks higher?
What to do next
Eye-level mix-up between "obs" and "opt" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "obs" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "opt" - compare definitions side by side with the headword page. Word entry
- This pair ranks #121,622 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "obs" and "opt" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs opt". Nearby pair
Confusion rank #121,622 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.