Which to use
“ffa” is a noun and “fui” is a verb - they look or sound alike but fill different roles in a sentence.
- #49,084
- “ffa” frequency rank
- #9,318
- “fui” frequency rank
- 58402
- confusion score
Side-by-Side Comparison
| Feature | ffa | fui |
|---|---|---|
| Definition | Fèves. | Participe passé masculin singulier de fuir. |
Where the eye mixes ffa and fui
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ffa and fui
These two trip readers on the page rather than in the ear: ffa is \faː\ while fui is \fɥi\. 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 58402, derived from the frequency rank of both members and their visual similarity.
ffa is recorded at frequency rank #49,084, classified as anoun, pronounced \faː\. fui is at rank #9,318, tagged as averb, pronounced \fɥi\.
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 58402, this pair ranks #109,272 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of ffa vs fui
Shared letters: f. Private to "ffa": a. Private to "fui": iu.
"ffa" · 3 letters · shape CCV · "fui" · 3 letters · shape CVV
Frequently Asked Questions
Do "ffa" and "fui" mean the same thing in a sentence?
Frequency check: "ffa" vs "fui" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ffa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fui" - compare definitions side by side with the headword page. Word entry
- This pair ranks #109,272 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ffa" and "fui" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs ffa". Nearby pair
Confusion rank #109,272 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.