FaxvsfeuWhat's the difference?

Which to use

“Fax” and “feu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#15,379
“Fax” frequency rank
#568
“feu” frequency rank
15947
confusion score

Side-by-Side Comparison

Feature Fax feu
Definition Télécopieur, téléfax, fax, appareil permettant la numérisation, la transmission, la réception, et l’impression du facsimilé. Phénomène calorifique et lumineux produit par la combustion d'une matière inflammable ; un des quatre éléments des Anciens.

Where the eye mixes Fax and feu

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
Fax
3 ch
feu

Why the eye confuses Fax with feu

A purely visual mix-up. Fax (\faks\) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 15947, derived from the frequency rank of both members and their visual similarity.

Fax is recorded at frequency rank #15,379, classified as anoun, pronounced \faks\. 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 15947, this pair ranks #390,109 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Fax vs feu

Shared letters: f. Private to "Fax": ax. Private to "feu": eu.

"Fax" · 3 letters · shape CVC  ·  "feu" · 3 letters · shape CVV

Frequently Asked Questions

Do "Fax" and "feu" mean the same thing in a sentence?
No. They are said differently (\faks\ versus \fø\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "Fax" or "feu" show up more?
"feu" is the more common of the two: it sits at frequency rank #568 in our French list, against #15,379 for "Fax". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Fax" 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 #390,109 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Fax" and "feu" also get mixed up with nearby pairs, the highest-scored neighbour is "Fax vs Fee". Nearby pair

Confusion rank #390,109 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list