Which to use
“focus” is an adjective and “four” is a noun - they look or sound alike but fill different roles in a sentence.
- #11,412
- “focus” frequency rank
- #4,150
- “four” frequency rank
- 15562
- confusion score
Side-by-Side Comparison
| Feature | focus | four |
|---|---|---|
| Definition | Concentré sur l’action. | (radiotéléphonie) Mot de code radiotéléphonique de l'OACI, OTAN et SIA pour le chiffre 4. |
Where the eye mixes focus and four
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses focus with four
These two trip readers on the page rather than in the ear: focus is \fɔ.kys\ while four is \ˈfoa\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15562, derived from the frequency rank of both members and their visual similarity.
focus is recorded at frequency rank #11,412, classified as anadj, pronounced \fɔ.kys\. four is at rank #4,150, tagged as anoun, pronounced \ˈfoa\.
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 15562, this pair ranks #391,813 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of focus vs four
Shared letters: fou. Private to "focus": cs. Private to "four": r.
"focus" · 5 letters · shape CVCVC · "four" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Can "focus" and "four" be used interchangeably?
In ordinary French text, does "focus" or "four" show up more?
Useful next steps
Eye-level mix-up between "focus" and "four" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "focus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "four" - compare definitions side by side with the headword page. Word entry
- This pair ranks #391,813 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "focus" and "four" also get mixed up with nearby pairs, the highest-scored neighbour is "fichus vs focus". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #391,813 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.