fibrasvsfiebresWhich spelling fits?

Which to use

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

#10,852
“fibras” frequency rank
#48,414
“fiebres” frequency rank
59266
confusion score

Side-by-Side Comparison

Feature fibras fiebres
Definition Forma del plural de fibra. Forma del plural de fiebre.

Where the eye mixes fibras and fiebres

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. fibras runs 6 letters (CVCCVC) against fiebres's 7 (CVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
fibras
7 ch
fiebres

Look-alike desk: fibras vs fiebres

A purely visual mix-up. fibras ([ˈfiβ̞ɾas]) 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 letter(s) in length. Our composite confusion score for this pair is 59266, derived from the frequency rank of both members and their visual similarity.

fibras is recorded at frequency rank #10,852, classified as anoun, pronounced [ˈfiβ̞ɾas]. 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 59266, this pair ranks #63,270 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of fibras vs fiebres

Shared letters: bfirs. Private to "fibras": a. Private to "fiebres": e.

"fibras" · 6 letters · shape CVCCVC  ·  "fiebres" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • fibras ← fbiras · ffibras · fibars · fibbras · fibrass · fibrras · fibrsa · firbas
  • fiebres ← feibres · ffiebres · fiberes · fiebbres · fiebers · fiebress · fiebrres · fiebrse

Frequently Asked Questions

Is swapping "fibras" for "fiebres" ever safe?
No. They are said differently ([ˈfiβ̞ɾas] versus [ˈfjeβ̞ɾes]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "fibras" vs "fiebres" - which ranks higher?
"fibras" is the more common of the two: it sits at frequency rank #10,852 in our Spanish list, against #48,414 for "fiebres". 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 "fibras" 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 #63,270 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fibras" 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 #63,270 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