Which to use
“focus” is a noun and “fou” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,077
- “focus” frequency rank
- #48,244
- “fou” frequency rank
- 49321
- confusion score
Side-by-Side Comparison
| Feature | focus | fou |
|---|---|---|
| Definition | A point at which reflected or refracted rays of light converge. | Drunk. |
Letter map: focus vs fou
Shared letters muted; letters that set focus and fou apart highlighted. Shared run: 3.
Role in the sentence - focus and fou
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: focus is anoun and fouanadjective. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 49321, derived from the frequency rank of both members and their visual similarity.
focus is recorded at frequency rank #1,077, classified as anoun, pronounced /ˈfəʊ.kəs/. fou is at rank #48,244, tagged as anadj.
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 49321, this pair ranks #184,747 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of focus vs fou
Shared letters: fou. Private to "focus": cs. Private to "fou": -.
"focus" · 5 letters · shape CVCVC · "fou" · 3 letters · shape CVV
Known mistypes of this pair
- focus ← fcous · ffocus · foccus · focsu · focuss · foucs · ofcus
Frequently Asked Questions
Can "focus" and "fou" be used interchangeably?
In ordinary English text, does "focus" or "fou" show up more?
Useful next steps
Done with this confusable. These links stay specific to "focus" and "fou".
- Full dictionary entry for "focus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fou" - compare definitions side by side with the headword page. Word entry
- This pair ranks #184,747 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "focus" and "fou" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fou". 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 #184,747 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.