fidesvsfièresWhat's the difference?

Quick tell: fides is a noun, fières is an adjective, so they fill different roles in a sentence.

Which to use

“fides” is a noun and “fières” is an adjective - they look or sound alike but fill different roles in a sentence.

#38,296
“fides” frequency rank
#33,689
“fières” frequency rank
71985
confusion score

Side-by-Side Comparison

Feature fides fières
Definition Foi, croyance, confiance, créance, crédit. Féminin pluriel de fier.

Letter map: fides vs fières

Shared letters muted; letters that set fides and fières apart highlighted. Shared run: 4. fides runs 5 letters (CVCVC) against fières's 6 (CVVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
fides
6 ch
fières

Part-of-speech tell for fides / fières

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fides is anoun and fièresanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 71985, derived from the frequency rank of both members and their visual similarity.

fides is recorded at frequency rank #38,296, classified as anoun. fières is at rank #33,689, tagged as anadj, pronounced \fjɛʁ\.

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 71985, this pair ranks #45,605 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of fides vs fières

Shared letters: efis. Private to "fides": d. Private to "fières": rè.

"fides" · 5 letters · shape CVCVC  ·  "fières" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • fides ← fdies · ffides · fiddes · fidess · fidse · fieds · ifdes

Frequently Asked Questions

Do "fides" and "fières" mean the same thing in a sentence?
No - they are not even the same part of speech. "fides" is a noun and "fières" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "fides" or "fières" show up more?
"fières" is the more common of the two: it sits at frequency rank #33,689 in our French list, against #38,296 for "fides". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "fides" vs "fières" is on the table, pick a follow-up below.

  • Full dictionary entry for "fides" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fières" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #45,605 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fides" and "fières" also get mixed up with nearby pairs, the highest-scored neighbour is "fides vs filez". 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 #45,605 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