Which to use
“focus” is an adjective and “Fos” is a name - they look or sound alike but fill different roles in a sentence.
- #11,412
- “focus” frequency rank
- #33,268
- “Fos” frequency rank
- 44680
- confusion score
Side-by-Side Comparison
| Feature | focus | Fos |
|---|---|---|
| Definition | Concentré sur l’action. | Commune française, située dans le département de la Haute-Garonne. |
Letter map: focus vs Fos
Shared letters muted; letters that set focus and Fos apart highlighted. Shared run: 3. focus runs 5 letters (CVCVC) against Fos's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - focus and Fos
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: focus is anadjective and Fosaname. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 44680, 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\. Fos is at rank #33,268, tagged as aname.
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 44680, this pair ranks #208,637 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of focus vs Fos
Shared letters: fos. Private to "focus": cu. Private to "Fos": -.
"focus" · 5 letters · shape CVCVC · "Fos" · 3 letters · shape CVC
Known mistypes of this pair
- focus ← fcous · ffocus · foccus · focsu · focuss · foucs · ofcus
Frequently Asked Questions
Is swapping "focus" for "Fos" ever safe?
Frequency check: "focus" vs "Fos" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "focus" and "Fos".
- Full dictionary entry for "focus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Fos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #208,637 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "focus" and "Fos" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs Fos". 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 #208,637 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.