prothèsevsprothèsesWhich spelling fits?

Which to use

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

#20,531
“prothèse” frequency rank
#20,823
“prothèses” frequency rank
41354
confusion score

Side-by-Side Comparison

Feature prothèse prothèses
Definition Appareil servant à remplacer un organe ou un membre. Pluriel de prothèse.

Same sound, different letters: prothèse vs prothèses

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 8 letters.

8 ch
prothèse
9 ch
prothèses

Homophone desk: prothèse vs prothèses

This is the hard kind. prothèse and prothèses are pronounced identically (\pʁɔ.tɛz\) 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) - “prothèse” sits inside “prothèses”. Our composite confusion score for this pair is 41354, derived from the frequency rank of both members and their visual similarity.

prothèse is recorded at frequency rank #20,531, classified as anoun, pronounced \pʁɔ.tɛz\. prothèses is at rank #20,823, tagged as anoun, pronounced \pʁɔ.tɛz\.

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 41354, this pair ranks #233,698 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of prothèse vs prothèses

Shared letters: ehoprstè. Private to "prothèse": -. Private to "prothèses": -.

"prothèse" · 8 letters · shape CCVCCVCV  ·  "prothèses" · 9 letters · shape CCVCCVCVC

Frequently Asked Questions

Do "prothèse" and "prothèses" mean the same thing in a sentence?
No. They are pronounced the same (\pʁɔ.tɛz\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Frequency check: "prothèse" vs "prothèses" - which ranks higher?
"prothèse" is the more common of the two: it sits at frequency rank #20,531 in our French list, against #20,823 for "prothèses". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "prothèse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prothèses" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #233,698 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "prothèse" and "prothèses" also get mixed up with nearby pairs, the highest-scored neighbour is "protesté vs prothèse". Nearby pair

Confusion rank #233,698 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