fibresvsfiltresTell them apart

Which to use

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

#7,825
“fibres” frequency rank
#12,571
“filtres” frequency rank
20396
confusion score

Side-by-Side Comparison

Feature fibres filtres
Definition Pluriel de fibre. Pluriel de filtre.

Where the eye mixes fibres and filtres

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

6 ch
fibres
7 ch
filtres

Visual trap between fibres and filtres

A purely visual mix-up. fibres (\fibʁ\) and filtres (\filtʁ\) 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 20396, derived from the frequency rank of both members and their visual similarity.

fibres is recorded at frequency rank #7,825, classified as anoun, pronounced \fibʁ\. filtres is at rank #12,571, tagged as anoun, pronounced \filtʁ\.

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 20396, this pair ranks #368,477 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fibres vs filtres

Shared letters: efirs. Private to "fibres": b. Private to "filtres": lt.

"fibres" · 6 letters · shape CVCCVC  ·  "filtres" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • fibres ← fbires · ffibres · fibbres · fibers · fibress · fibrres · fibrse · firbes
  • filtres ← ffiltres · filltres · filrtes · filters · filtress · filtrres · filtrse · filttres

Frequently Asked Questions

Can "fibres" and "filtres" be used interchangeably?
No. They are said differently (\fibʁ\ versus \filtʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fibres" or "filtres"?
"fibres" is the more common of the two: it sits at frequency rank #7,825 in our French list, against #12,571 for "filtres". 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 "fibres" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "filtres" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #368,477 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fibres" and "filtres" also get mixed up with nearby pairs, the highest-scored neighbour is "filatures vs filtres". 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 #368,477 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