Which to use
“one” is a noun and “opt” is a verb - they look or sound alike but fill different roles in a sentence.
- #2,436
- “one” frequency rank
- #42,502
- “opt” frequency rank
- 44938
- confusion score
Side-by-Side Comparison
| Feature | one | opt |
|---|---|---|
| Definition | (radiotéléphonie) Mot de code radiotéléphonique de l'OACI, OTAN et SIA pour le chiffre 1. | Opter. |
Where the eye mixes one and opt
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between one and opt
These two trip readers on the page rather than in the ear: one is \ˈwan\ while opt is \ɒpt\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 44938, derived from the frequency rank of both members and their visual similarity.
one is recorded at frequency rank #2,436, classified as anoun, pronounced \ˈwan\. 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 44938, this pair ranks #206,664 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of one vs opt
Shared letters: o. Private to "one": en. Private to "opt": pt.
"one" · 3 letters · shape VCV · "opt" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "one" for "opt" ever safe?
Which is more common, "one" or "opt"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "one" 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 #206,664 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "one" and "opt" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs opt". Nearby pair
Confusion rank #206,664 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.