réussirentvsréussissentTell them apart

Which to use

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

#39,030
“réussirent” frequency rank
#10,941
“réussissent” frequency rank
49971
confusion score

Side-by-Side Comparison

Feature réussirent réussissent
Definition Troisième personne du pluriel du passé simple de réussir. Troisième personne du pluriel de l’indicatif présent de réussir.

Where the eye mixes réussirent and réussissent

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. réussirent runs 10 letters (CVVCCVCVCC) against réussissent's 11 (CVVCCVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
réussirent
11 ch
réussissent

Visual trap between réussirent and réussissent

A purely visual mix-up. réussirent (\ʁe.y.siʁ\) and réussissent (\ʁe.y.sis\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49971, derived from the frequency rank of both members and their visual similarity.

réussirent is recorded at frequency rank #39,030, classified as averb, pronounced \ʁe.y.siʁ\. réussissent is at rank #10,941, tagged as averb, pronounced \ʁe.y.sis\.

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 49971, this pair ranks #166,370 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of réussirent vs réussissent

Shared letters: einrstué. Private to "réussirent": -. Private to "réussissent": -.

"réussirent" · 10 letters · shape CVVCCVCVCC  ·  "réussissent" · 11 letters · shape CVVCCVCCVCC

Frequently Asked Questions

Can "réussirent" and "réussissent" be used interchangeably?
No. They are said differently (\ʁe.y.siʁ\ versus \ʁe.y.sis\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "réussirent" or "réussissent" show up more?
"réussissent" is the more common of the two: it sits at frequency rank #10,941 in our French list, against #39,030 for "réussirent". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "réussirent" and "réussissent" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "réussirent" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "réussissent" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #166,370 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "réussirent" and "réussissent" also get mixed up with nearby pairs, the highest-scored neighbour is "réussirent vs réussiront". Nearby pair

Confusion rank #166,370 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