diesevsdiseaseWhat's the difference?

Quick tell: diese is a unknown, disease is a noun, so they fill different roles in a sentence.

Which to use

“diese” is an unknown and “disease” is a noun - they look or sound alike but fill different roles in a sentence.

#75
“diese” frequency rank
#34,589
“disease” frequency rank
34664
confusion score

Side-by-Side Comparison

Feature diese disease
Definition Nominativ Singular Femininum des Demonstrativpronomens dies die Krankheit

Letter map: diese vs disease

Shared letters muted; letters that set diese and disease apart highlighted. Shared run: 5. diese 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
diese
7 ch
disease

Grammar separator: diese vs disease

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: diese is anunknown and diseaseanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 34664, derived from the frequency rank of both members and their visual similarity.

diese is recorded at frequency rank #75, classified as anunknown, pronounced [ˈdiːzə]. disease is at rank #34,589, tagged as anoun, pronounced […].

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 34664, this pair ranks #1,658,123 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of diese vs disease

Shared letters: deis. Private to "diese": -. Private to "disease": a.

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

Known mistypes of this pair

  • diese ← ddiese · deise · diees · diesse · disee · idese
  • disease ← ddisease · diesase · disaese · diseaes · diseasse · disesae · dissease · dsiease

Frequently Asked Questions

Can "diese" and "disease" be used interchangeably?
No - they are not even the same part of speech. "diese" is an unknown and "disease" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "diese" or "disease" show up more?
"diese" is the more common of the two: it sits at frequency rank #75 in our German list, against #34,589 for "disease". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "diese" and "disease".

  • Full dictionary entry for "diese" 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 #1,658,123 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "diese" and "disease" also get mixed up with nearby pairs, the highest-scored neighbour is "disease vs puzzles". 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 #1,658,123 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list