frictionvsfunctionTell them apart

Which to use

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

#26,014
“friction” frequency rank
#44,471
“function” frequency rank
70485
confusion score

Side-by-Side Comparison

Feature friction function
Definition Frottement que l’on fait sur quelque partie du corps, à sec ou autrement, avec les mains, avec une brosse, avec de la flanelle, etc., pour activer la circulation, calmer une douleur, etc. Fonction.

Where the eye mixes friction and function

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
friction
8 ch
function

Visual trap between friction and function

A purely visual mix-up. friction (\fʁik.sjɔ̃\) and function (\ˈfəŋ(k).ʃən\) 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 70485, derived from the frequency rank of both members and their visual similarity.

friction is recorded at frequency rank #26,014, classified as anoun, pronounced \fʁik.sjɔ̃\. function is at rank #44,471, tagged as anoun, pronounced \ˈfəŋ(k).ʃən\.

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 70485, this pair ranks #51,164 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of friction vs function

Shared letters: cfinot. Private to "friction": r. Private to "function": u.

"friction" · 8 letters · shape CCVCCVVC  ·  "function" · 8 letters · shape CVCCCVVC

Known mistypes of this pair

  • frictionffriction · firction · frcition · fricction · friciton · frictino · frictionn · frictoin
  • functionffunction · fnuction · fucntion · funcction · funciton · functino · functionn · functoin

Frequently Asked Questions

Do "friction" and "function" mean the same thing in a sentence?
No. They are said differently (\fʁik.sjɔ̃\ versus \ˈfəŋ(k).ʃən\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "friction" or "function" show up more?
"friction" is the more common of the two: it sits at frequency rank #26,014 in our French list, against #44,471 for "function". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "friction" and "function" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "friction" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "function" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,164 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "friction" and "function" also get mixed up with nearby pairs, the highest-scored neighbour is "faction vs function". 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 #51,164 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