fevervsFieberTell them apart

Which to use

“fever” and “Fieber” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#38,100
“fever” frequency rank
#5,828
“Fieber” frequency rank
43928
confusion score

Side-by-Side Comparison

Feature fever Fieber
Definition Fieber Erhöhung der Körpertemperatur im Krankheitsfall; Schutzreaktion des Körpers, um Krankheitserreger abzutöten

Where the eye mixes fever and Fieber

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. fever runs 5 letters (CVCVC) against Fieber's 6 (CVVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
fever
6 ch
Fieber

Visual trap between fever and Fieber

A purely visual mix-up. fever ([ˈfiːvə]) and Fieber ([ˈfiːbɐ]) 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 43928, derived from the frequency rank of both members and their visual similarity.

fever is recorded at frequency rank #38,100, classified as anoun, pronounced [ˈfiːvə]. Fieber is at rank #5,828, tagged as anoun, pronounced [ˈfiːbɐ].

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 43928, this pair ranks #1,402,549 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fever vs Fieber

Shared letters: efr. Private to "fever": v. Private to "Fieber": bi.

"fever" · 5 letters · shape CVCVC  ·  "Fieber" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • fever ← efver · feevr · feverr · fevre · fevver · ffever · fveer
  • Fieber ← feiber · ffieber · fibeer · fiebber · fieberr · fiebre · fieebr · ifeber

Frequently Asked Questions

Is swapping "fever" for "Fieber" ever safe?
No. They are said differently ([ˈfiːvə] versus [ˈfiːbɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "fever" vs "Fieber" - which ranks higher?
"Fieber" is the more common of the two: it sits at frequency rank #5,828 in our German list, against #38,100 for "fever". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "fever" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Fieber" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,402,549 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fever" and "Fieber" also get mixed up with nearby pairs, the highest-scored neighbour is "fever vs fixer". 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 #1,402,549 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