Which to use
“coucou” and “coupon” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,440
- “coucou” frequency rank
- #28,900
- “coupon” frequency rank
- 34340
- confusion score
Side-by-Side Comparison
| Feature | coucou | coupon |
|---|---|---|
| Definition | Nom normalisé de 11 genres assez hétérogènes comprenant 56 espèces d'oiseaux de la famille des cuculidés habitant l'Ancien Monde, essentiellement caractérisées par leur parasitisme de couvée, habitude par laquelle elles confient la couvaison et l'élevage des oisillons à d'autres espèces d'oiseaux le plus souvent plus petites qu'elles; l'espèce-type de ce groupe d'oiseaux est le coucou gris (Cuculus canorus) dont le cri a donné son nom au genre. | Ce qui reste d’une pièce d’étoffe ou de toile qu’on a débitée. |
Where the eye mixes coucou and coupon
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. coucou (CVVCVV) and coupon (CVVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses coucou with coupon
A purely visual mix-up. coucou (\ku.ku\) and coupon (\ku.pɔ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 34340, derived from the frequency rank of both members and their visual similarity.
coucou is recorded at frequency rank #5,440, classified as anoun, pronounced \ku.ku\. coupon is at rank #28,900, tagged as anoun, pronounced \ku.pɔ̃\.
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 34340, this pair ranks #284,516 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of coucou vs coupon
Shared letters: cou. Private to "coucou": -. Private to "coupon": np.
"coucou" · 6 letters · shape CVVCVV · "coupon" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "coucou" for "coupon" ever safe?
Frequency check: "coucou" vs "coupon" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "coucou" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "coupon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #284,516 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "coucou" and "coupon" also get mixed up with nearby pairs, the highest-scored neighbour is "coupa vs coupon". 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 #284,516 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.