dièsevsduesWhat's the difference?

Quick tell: dièse is a noun, dues is an adjective, so they fill different roles in a sentence.

Which to use

“dièse” is a noun and “dues” is an adjective - they look or sound alike but fill different roles in a sentence.

#33,643
“dièse” frequency rank
#8,532
“dues” frequency rank
42175
confusion score

Side-by-Side Comparison

Feature dièse dues
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. Féminin pluriel de dû.

Where the eye mixes dièse and dues

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. dièse runs 5 letters (CVVCV) against dues's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
dièse
4 ch
dues

Look-alike desk: dièse vs dues

These two trip readers on the page rather than in the ear: dièse is \djɛz\ while dues is \dy\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 42175, 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\. dues is at rank #8,532, tagged as anadj, pronounced \dy\.

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 42175, this pair ranks #227,644 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dièse vs dues

Shared letters: des. Private to "dièse": iè. Private to "dues": u.

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

Known mistypes of this pair

  • dues ← ddues · duess · duse · udes

Frequently Asked Questions

Is swapping "dièse" for "dues" ever safe?
No - they are not even the same part of speech. "dièse" is a noun and "dues" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dièse" or "dues"?
"dues" is the more common of the two: it sits at frequency rank #8,532 in our French list, against #33,643 for "dièse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "dièse" and "dues" 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 "dues" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #227,644 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dièse" and "dues" also get mixed up with nearby pairs, the highest-scored neighbour is "dièse vs diez". 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 #227,644 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