fonctionsvsfrictionsWhich spelling fits?

Which to use

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

#1,566
“fonctions” frequency rank
#31,967
“frictions” frequency rank
33533
confusion score

Side-by-Side Comparison

Feature fonctions frictions
Definition Pluriel de fonction. Pluriel de friction.

Where the eye mixes fonctions and frictions

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. fonctions (CVCCCVVCC) and frictions (CCVCCVVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

9 ch
fonctions
9 ch
frictions

Visual trap between fonctions and frictions

A purely visual mix-up. fonctions (\fɔ̃k.sjɔ̃\) and frictions (\fʁik.sjɔ̃\) 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 33533, derived from the frequency rank of both members and their visual similarity.

fonctions is recorded at frequency rank #1,566, classified as anoun, pronounced \fɔ̃k.sjɔ̃\. frictions is at rank #31,967, tagged as anoun, pronounced \fʁik.sjɔ̃\.

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 33533, this pair ranks #289,996 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fonctions vs frictions

Shared letters: cfinost. Private to "fonctions": -. Private to "frictions": r.

"fonctions" · 9 letters · shape CVCCCVVCC  ·  "frictions" · 9 letters · shape CCVCCVVCC

Known mistypes of this pair

  • fonctionsffonctions · fnoctions · focntions · foncctions · foncitons · fonctinos · fonctionns · fonctionss
  • frictionsffrictions · firctions · frcitions · fricctions · fricitons · frictinos · frictionns · frictionss

Frequently Asked Questions

Can "fonctions" and "frictions" be used interchangeably?
No. They are said differently (\fɔ̃k.sjɔ̃\ versus \fʁik.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fonctions" or "frictions"?
"fonctions" is the more common of the two: it sits at frequency rank #1,566 in our French list, against #31,967 for "frictions". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "fonctions" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "frictions" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #289,996 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fonctions" and "frictions" also get mixed up with nearby pairs, the highest-scored neighbour is "friction vs frictions". 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 #289,996 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