réussivsréussisWhat's the difference?

Which to use

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

#1,072
“réussi” frequency rank
#12,048
“réussis” frequency rank
13120
confusion score

Side-by-Side Comparison

Feature réussi réussis
Definition Qui a bien été exécuté, conforme aux attentes. Masculin pluriel de réussi.

Same sound, different letters: réussi vs réussis

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

6 ch
réussi
7 ch
réussis

Ear matches; page differs - réussi and réussis

This is the hard kind. réussi and réussis are pronounced identically (\ʁe.y.si\) and both work as anadjective. 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) - “réussi” sits inside “réussis”. Our composite confusion score for this pair is 13120, derived from the frequency rank of both members and their visual similarity.

réussi is recorded at frequency rank #1,072, classified as anadj, pronounced \ʁe.y.si\. réussis is at rank #12,048, tagged as anadj, pronounced \ʁe.y.si\.

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 13120, this pair ranks #402,350 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of réussi vs réussis

Shared letters: irsué. Private to "réussi": -. Private to "réussis": -.

"réussi" · 6 letters · shape CVVCCV  ·  "réussis" · 7 letters · shape CVVCCVC

Frequently Asked Questions

Is swapping "réussi" for "réussis" ever safe?
No. They are pronounced the same (\ʁe.y.si\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Frequency check: "réussi" vs "réussis" - which ranks higher?
"réussi" is the more common of the two: it sits at frequency rank #1,072 in our French list, against #12,048 for "réussis". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "réussi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "réussis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #402,350 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "réussi" and "réussis" also get mixed up with nearby pairs, the highest-scored neighbour is "reuss vs réussis". Nearby pair

Confusion rank #402,350 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