foudrevsfoudresTell them apart

Which to use

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

#7,830
“foudre” frequency rank
#23,217
“foudres” frequency rank
31047
confusion score

Side-by-Side Comparison

Feature foudre foudres
Definition Décharge électrique, par temps d’orage, entre des nuages et certaines fois entre des nuages et le sol, qui produit une vive lumière (dite éclair) et une violente détonation (dont le son est dit tonnerre). On dit, comme sur la photo, que la foudre est tombée quand elle a touché le sol ou quelque chose en relief sur le sol ou connecté au sol: arbre, construction, etc., a été touché. Pluriel de foudre.

Same sound, different letters: foudre vs foudres

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 6 letters. foudre runs 6 letters (CVVCCV) against foudres's 7 (CVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
foudre
7 ch
foudres

Same sound, different spelling - foudre / foudres

This is the hard kind. foudre and foudres are pronounced identically (\fudʁ\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “foudre” sits inside “foudres”. Our composite confusion score for this pair is 31047, derived from the frequency rank of both members and their visual similarity.

foudre is recorded at frequency rank #7,830, classified as anoun, pronounced \fudʁ\. foudres is at rank #23,217, tagged as anoun, pronounced \fudʁ\.

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 31047, this pair ranks #306,327 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of foudre vs foudres

Shared letters: deforu. Private to "foudre": -. Private to "foudres": s.

"foudre" · 6 letters · shape CVVCCV  ·  "foudres" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • foudre ← ffoudre · fodure · fouddre · fouder · foudrre · fourde · fuodre · ofudre
  • foudres ← ffoudres · fodures · fouddres · fouders · foudress · foudrres · foudrse · fourdes

Frequently Asked Questions

Is swapping "foudre" for "foudres" ever safe?
No. They are pronounced the same (\fudʁ\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Which is more common, "foudre" or "foudres"?
"foudre" is the more common of the two: it sits at frequency rank #7,830 in our French list, against #23,217 for "foudres". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've separated the homophone pair "foudre" / "foudres". Follow the links when you need the full entry or a neighbour that trips the same ear.

  • Full dictionary entry for "foudre" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foudres" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #306,327 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "foudre" and "foudres" also get mixed up with nearby pairs, the highest-scored neighbour is "foudres vs foulées". 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 #306,327 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