coulervscumulerWhich spelling fits?

Which to use

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

#6,178
“couler” frequency rank
#22,826
“cumuler” frequency rank
29004
confusion score

Side-by-Side Comparison

Feature couler cumuler
Definition Se déverser, aller d’un endroit à un autre, en parlant des liquides. Réunir en sa personne plusieurs choses différentes.

Where the eye mixes couler and cumuler

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. couler runs 6 letters (CVVCVC) against cumuler's 7 (CVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
couler
7 ch
cumuler

Why the eye confuses couler with cumuler

A purely visual mix-up. couler (\ku.le\) and cumuler (\ky.my.le\) 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 29004, derived from the frequency rank of both members and their visual similarity.

couler is recorded at frequency rank #6,178, classified as averb, pronounced \ku.le\. cumuler is at rank #22,826, tagged as averb, pronounced \ky.my.le\.

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 29004, this pair ranks #319,337 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of couler vs cumuler

Shared letters: celru. Private to "couler": o. Private to "cumuler": m.

"couler" · 6 letters · shape CVVCVC  ·  "cumuler" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • couler ← ccouler · coluer · couelr · coulerr · couller · coulre · cuoler · oculer
  • cumuler ← ccumuler · cmuuler · cumluer · cummuler · cumuelr · cumulerr · cumuller · cumulre

Frequently Asked Questions

Is swapping "couler" for "cumuler" ever safe?
No. They are said differently (\ku.le\ versus \ky.my.le\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "couler" vs "cumuler" - which ranks higher?
"couler" is the more common of the two: it sits at frequency rank #6,178 in our French list, against #22,826 for "cumuler". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "couler" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cumuler" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #319,337 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "couler" and "cumuler" also get mixed up with nearby pairs, the highest-scored neighbour is "cumulées vs cumuler". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #319,337 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