dièsevsdiseaseWhat's the difference?

Which to use

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

#33,643
“dièse” frequency rank
#45,549
“disease” frequency rank
79192
confusion score

Side-by-Side Comparison

Feature dièse disease
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. Maladie.

Where the eye mixes dièse and disease

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. dièse runs 5 letters (CVVCV) against disease's 7 (CVCVVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
dièse
7 ch
disease

Look-alike desk: dièse vs disease

A purely visual mix-up. dièse (\djɛz\) and disease (\dɪˈziz\) 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 2 letter(s) in length. Our composite confusion score for this pair is 79192, 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\. disease is at rank #45,549, tagged as anoun, pronounced \dɪˈziz\.

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 79192, this pair ranks #23,889 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of dièse vs disease

Shared letters: deis. Private to "dièse": è. Private to "disease": a.

"dièse" · 5 letters · shape CVVCV  ·  "disease" · 7 letters · shape CVCVVCV

Known mistypes of this pair

  • disease ← ddisease · diesase · disaese · diseaes · diseasse · disesae · dissease · dsiease

Frequently Asked Questions

Can "dièse" and "disease" be used interchangeably?
No. They are said differently (\djɛz\ versus \dɪˈziz\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "dièse" or "disease" show up more?
"dièse" is the more common of the two: it sits at frequency rank #33,643 in our French list, against #45,549 for "disease". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "dièse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "disease" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #23,889 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dièse" and "disease" 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 #23,889 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