fistonvsfoisonWhat's the difference?

Which to use

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

#23,212
“fiston” frequency rank
#37,817
“foison” frequency rank
61029
confusion score

Side-by-Side Comparison

Feature fiston foison
Definition Fils. Très grande abondance.

Where the eye mixes fiston and foison

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
fiston
6 ch
foison

Visual trap between fiston and foison

A purely visual mix-up. fiston (\fis.tɔ̃\) and foison (\fwa.zɔ̃\) 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 3 positions. Our composite confusion score for this pair is 61029, derived from the frequency rank of both members and their visual similarity.

fiston is recorded at frequency rank #23,212, classified as anoun, pronounced \fis.tɔ̃\. foison is at rank #37,817, tagged as anoun, pronounced \fwa.zɔ̃\.

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 61029, this pair ranks #94,462 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of fiston vs foison

Shared letters: finos. Private to "fiston": t. Private to "foison": -.

"fiston" · 6 letters · shape CVCCVC  ·  "foison" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • fistonffiston · fisotn · fisston · fistno · fistonn · fistton · fitson · fsiton
  • foisonffoison · fioson · foiosn · foisno · foisonn · foisson · fosion · ofison

Frequently Asked Questions

Can "fiston" and "foison" be used interchangeably?
No. They are said differently (\fis.tɔ̃\ versus \fwa.zɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "fiston" vs "foison" - which ranks higher?
"fiston" is the more common of the two: it sits at frequency rank #23,212 in our French list, against #37,817 for "foison". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "fiston" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foison" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #94,462 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fiston" and "foison" also get mixed up with nearby pairs, the highest-scored neighbour is "foison vs foulon". 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 #94,462 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