Which to use
“foirer” is a verb and “fourier” is a noun - they look or sound alike but fill different roles in a sentence.
- #25,319
- “foirer” frequency rank
- #26,731
- “fourier” frequency rank
- 52050
- confusion score
Side-by-Side Comparison
| Feature | foirer | fourier |
|---|---|---|
| Definition | Avoir la diarrhée, évacuer des excréments liquides. | Soldat qui va au pillage. |
Letter map: foirer vs fourier
Shared letters muted; letters that set foirer and fourier apart highlighted. Shared run: 5. foirer runs 6 letters (CVVCVC) against fourier's 7 (CVVCVVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - foirer and fourier
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: foirer is averb and fourieranoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 52050, derived from the frequency rank of both members and their visual similarity.
foirer is recorded at frequency rank #25,319, classified as averb, pronounced \fwa.ʁe\. fourier is at rank #26,731, tagged as anoun.
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 52050, this pair ranks #150,540 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of foirer vs fourier
Shared letters: efior. Private to "foirer": -. Private to "fourier": u.
"foirer" · 6 letters · shape CVVCVC · "fourier" · 7 letters · shape CVVCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "foirer" for "fourier" ever safe?
Which is more common, "foirer" or "fourier"?
What to do next
Pair "foirer" vs "fourier" is on the table, pick a follow-up below.
- Full dictionary entry for "foirer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fourier" - compare definitions side by side with the headword page. Word entry
- This pair ranks #150,540 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "foirer" and "fourier" also get mixed up with nearby pairs, the highest-scored neighbour is "fouiner vs fourier". 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 #150,540 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.