Which to use
“fen” and “feu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,041
- “fen” frequency rank
- #568
- “feu” frequency rank
- 45609
- confusion score
Side-by-Side Comparison
| Feature | fen | feu |
|---|---|---|
| Definition | Monnaie chinoise. | Phénomène calorifique et lumineux produit par la combustion d'une matière inflammable ; un des quatre éléments des Anciens. |
Where the eye mixes fen and feu
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses fen with feu
A purely visual mix-up. fen (\fɛn\) and feu (\fø\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - n in “fen” becomes u in “feu”. Our composite confusion score for this pair is 45609, derived from the frequency rank of both members and their visual similarity.
fen is recorded at frequency rank #45,041, classified as anoun, pronounced \fɛn\. feu is at rank #568, tagged as anoun, pronounced \fø\.
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 45609, this pair ranks #201,403 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fen vs feu
Shared letters: ef. Private to "fen": n. Private to "feu": u.
"fen" · 3 letters · shape CVC · "feu" · 3 letters · shape CVV
Frequently Asked Questions
Do "fen" and "feu" mean the same thing in a sentence?
Frequency check: "fen" vs "feu" - 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 "fen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "feu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #201,403 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fen" and "feu" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fen". Nearby pair
Confusion rank #201,403 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.