foisvsfolWhich spelling fits?

Quick tell: fois is a noun, fol is an adjective, so they fill different roles in a sentence.

Which to use

“fois” is a noun and “fol” is an adjective - they look or sound alike but fill different roles in a sentence.

#104
“fois” frequency rank
#23,215
“fol” frequency rank
23319
confusion score

Side-by-Side Comparison

Feature fois fol
Definition Nom qui se joint à un adjectif numéral pour indiquer qu’un fait s’est produit ou s’est répété. Masculin singulier de fou lorsque le substantif qui suit dans la phrase commence par une voyelle ou un h muet.

Where the eye mixes fois and fol

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
fois
3 ch
fol

Look-alike desk: fois vs fol

These two trip readers on the page rather than in the ear: fois is \fwa\ while fol is \fɔl\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 23319, derived from the frequency rank of both members and their visual similarity.

fois is recorded at frequency rank #104, classified as anoun, pronounced \fwa\. fol is at rank #23,215, tagged as anadj, pronounced \fɔl\.

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 23319, this pair ranks #353,192 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fois vs fol

Shared letters: fo. Private to "fois": is. Private to "fol": l.

"fois" · 4 letters · shape CVVC  ·  "fol" · 3 letters · shape CVC

Known mistypes of this pair

  • foisffois · fios · foiss · fosi · ofis

Frequently Asked Questions

Can "fois" and "fol" be used interchangeably?
No - they are not even the same part of speech. "fois" is a noun and "fol" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fois" vs "fol" - which ranks higher?
"fois" is the more common of the two: it sits at frequency rank #104 in our French list, against #23,215 for "fol". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "fois" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fol" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #353,192 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fois" and "fol" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fol". 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 #353,192 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