dièsevsdiezWhat's the difference?

Which to use

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

#33,643
“dièse” frequency rank
#48,450
“diez” frequency rank
82093
confusion score

Side-by-Side Comparison

Feature dièse diez
Definition Symbole graphique, formé de deux doubles barres croisées, (♯) appartenant à la famille des altérations et dont la fonction est d’indiquer sur la partition, que la hauteur naturelle de la note associée à ce dièse, ou à la clef, sur la ligne où se place la note, doit être élevée d’un demi-ton chromatique. Forme mutée de tiez par adoucissement (t → d).

Where the eye mixes dièse and diez

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. dièse runs 5 letters (CVVCV) against diez's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
dièse
4 ch
diez

Why the eye confuses dièse with diez

A purely visual mix-up. dièse (\djɛz\) and diez (\ˈdiːɛs\) 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 1 letter(s) in length. Our composite confusion score for this pair is 82093, derived from the frequency rank of both members and their visual similarity.

dièse is recorded at frequency rank #33,643, classified as anoun, pronounced \djɛz\. diez is at rank #48,450, tagged as anoun, pronounced \ˈdiːɛs\.

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 82093, this pair ranks #17,432 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of dièse vs diez

Shared letters: dei. Private to "dièse": sè. Private to "diez": z.

"dièse" · 5 letters · shape CVVCV  ·  "diez" · 4 letters · shape CVVC

Known mistypes of this pair

  • diez ← ddiez · deiz · diezz · dize · idez

Frequently Asked Questions

Can "dièse" and "diez" be used interchangeably?
No. They are said differently (\djɛz\ versus \ˈdiːɛs\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "dièse" vs "diez" - which ranks higher?
"dièse" is the more common of the two: it sits at frequency rank #33,643 in our French list, against #48,450 for "diez". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "dièse" and "diez" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dièse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diez" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,432 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dièse" and "diez" also get mixed up with nearby pairs, the highest-scored neighbour is "diez vs dz". 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 #17,432 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