diamètrevsdiamètresConfusable pair

Which to use

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

#4,418
“diamètre” frequency rank
#42,280
“diamètres” frequency rank
46698
confusion score

Side-by-Side Comparison

Feature diamètre diamètres
Definition Ligne droite qui va d’un point de la circonférence d’un cercle (ou d’une sphère) à un autre point en passant par le centre. Le diamètre représente deux fois le rayon. Pluriel de diamètre.

Same sound, different letters: diamètre vs diamètres

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 8 letters. diamètre runs 8 letters (CVVCVCCV) against diamètres's 9 (CVVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
diamètre
9 ch
diamètres

Same sound, different spelling - diamètre / diamètres

This is the hard kind. diamètre and diamètres are pronounced identically (\dja.mɛtʁ\) 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) - “diamètre” sits inside “diamètres”. Our composite confusion score for this pair is 46698, derived from the frequency rank of both members and their visual similarity.

diamètre is recorded at frequency rank #4,418, classified as anoun, pronounced \dja.mɛtʁ\. diamètres is at rank #42,280, tagged as anoun, pronounced \dja.mɛtʁ\.

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 46698, this pair ranks #192,849 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of diamètre vs diamètres

Shared letters: adeimrtè. Private to "diamètre": -. Private to "diamètres": s.

"diamètre" · 8 letters · shape CVVCVCCV  ·  "diamètres" · 9 letters · shape CVVCVCCVC

Frequently Asked Questions

Do "diamètre" and "diamètres" mean the same thing in a sentence?
No. They are pronounced the same (\dja.mɛtʁ\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
In ordinary French text, does "diamètre" or "diamètres" show up more?
"diamètre" is the more common of the two: it sits at frequency rank #4,418 in our French list, against #42,280 for "diamètres". 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 "diamètre" / "diamètres". Follow the links when you need the full entry or a neighbour that trips the same ear.

  • Full dictionary entry for "diamètre" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diamètres" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #192,849 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "diamètre" and "diamètres" also get mixed up with nearby pairs, the highest-scored neighbour is "diamètre vs diantre". Nearby pair

Confusion rank #192,849 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