échecvséchecsWhich spelling fits?

Quick tell: échec is a intj, échecs is a noun, so they fill different roles in a sentence.

Which to use

“échec” is an intj and “échecs” is a noun - they look or sound alike but fill different roles in a sentence.

#2,306
“échec” frequency rank
#6,573
“échecs” frequency rank
8879
confusion score

Side-by-Side Comparison

Feature échec échecs
Definition Attaque sur le roi, au jeu d’échecs, de sorte qu’il est obligé de se retirer ou de se couvrir. Jeu de stratégie millénaire opposant deux joueurs qui disposent chacun de seize pièces pour paralyser le roi adverse.

Same sound, different letters: échec vs échecs

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 5 letters. échec runs 5 letters (VCCVC) against échecs's 6 (VCCVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
échec
6 ch
échecs

Ear matches; page differs - échec and échecs

Say them out loud and nothing separates them: échec and échecs carry the same recorded pronunciation, \e.ʃɛk\. Grammar is what tells them apart: one is anintj, the other anoun, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “échec” sits inside “échecs”. Our composite confusion score for this pair is 8879, derived from the frequency rank of both members and their visual similarity.

échec is recorded at frequency rank #2,306, classified as anintj, pronounced \e.ʃɛk\. échecs is at rank #6,573, tagged as anoun, pronounced \e.ʃɛk\.

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 8879, this pair ranks #418,554 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of échec vs échecs

Shared letters: cehé. Private to "échec": -. Private to "échecs": s.

"échec" · 5 letters · shape VCCVC  ·  "échecs" · 6 letters · shape VCCVCC

Frequently Asked Questions

Can "échec" and "échecs" be used interchangeably?
No - they are not even the same part of speech. "échec" is an intj and "échecs" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "échec" vs "échecs" - which ranks higher?
"échec" is the more common of the two: it sits at frequency rank #2,306 in our French list, against #6,573 for "échecs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "échec" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "échecs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #418,554 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "échec" and "échecs" also get mixed up with nearby pairs, the highest-scored neighbour is "échec vs élec". Nearby pair

Confusion rank #418,554 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