fiebrevsfiebresWhat's the difference?

Which to use

“fiebre” and “fiebres” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,602
“fiebre” frequency rank
#48,414
“fiebres” frequency rank
53016
confusion score

Side-by-Side Comparison

Feature fiebre fiebres
Definition Fenómeno patológico que ordinariamente se manifiesta por elevación de la temperatura normal del cuerpo y frecuencia del pulso y la respiración. Forma del plural de fiebre.

Where the eye mixes fiebre and fiebres

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. fiebre runs 6 letters (CVVCCV) against fiebres's 7 (CVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
fiebre
7 ch
fiebres

Visual trap between fiebre and fiebres

A purely visual mix-up. fiebre ([ˈfjeβ̞ɾe]) and fiebres ([ˈfjeβ̞ɾes]) 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 extra letter(s) - “fiebre” sits inside “fiebres”. Our composite confusion score for this pair is 53016, derived from the frequency rank of both members and their visual similarity.

fiebre is recorded at frequency rank #4,602, classified as anoun, pronounced [ˈfjeβ̞ɾe]. fiebres is at rank #48,414, tagged as anoun, pronounced [ˈfjeβ̞ɾes].

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 53016, this pair ranks #89,941 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fiebre vs fiebres

Shared letters: befir. Private to "fiebre": -. Private to "fiebres": s.

"fiebre" · 6 letters · shape CVVCCV  ·  "fiebres" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • fiebre ← feibre · ffiebre · fibere · fiebbre · fieber · fiebrre · fierbe · fievre
  • fiebres ← feibres · ffiebres · fiberes · fiebbres · fiebers · fiebress · fiebrres · fiebrse

Frequently Asked Questions

Can "fiebre" and "fiebres" be used interchangeably?
No. They are said differently ([ˈfjeβ̞ɾe] versus [ˈfjeβ̞ɾes]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "fiebre" vs "fiebres" - which ranks higher?
"fiebre" is the more common of the two: it sits at frequency rank #4,602 in our Spanish list, against #48,414 for "fiebres". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "fiebre" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fiebres" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #89,941 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fiebre" and "fiebres" also get mixed up with nearby pairs, the highest-scored neighbour is "fiebres vs fierros". 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 #89,941 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list