fondationvsformationWhich spelling fits?

Which to use

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

#2,576
“fondation” frequency rank
#603
“formation” frequency rank
3179
confusion score

Side-by-Side Comparison

Feature fondation formation
Definition Action de fonder, de bâtir la base de quelque chose ; commencement de quelque chose de durable. Action de former ou résultat de cette action.

Where the eye mixes fondation and formation

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. fondation and formation follow the identical consonant-vowel pattern (CVCCVCVVC). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
fondation
9 ch
formation

Why the eye confuses fondation with formation

A purely visual mix-up. fondation (\fɔ̃.da.sjɔ̃\) and formation (\fɔʁ.ma.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 3179, derived from the frequency rank of both members and their visual similarity.

fondation is recorded at frequency rank #2,576, classified as anoun, pronounced \fɔ̃.da.sjɔ̃\. formation is at rank #603, tagged as anoun, pronounced \fɔʁ.ma.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 3179, this pair ranks #434,606 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fondation vs formation

Shared letters: afinot. Private to "fondation": d. Private to "formation": mr.

"fondation" · 9 letters · shape CVCCVCVVC  ·  "formation" · 9 letters · shape CVCCVCVVC

Known mistypes of this pair

  • fondation ← ffondation · fnodation · fodnation · fonadtion · fondaiton · fondatino · fondationn · fondatoin
  • formation ← fformation · fomration · foramtion · formaiton · formatino · formationn · formatoin · formattion

Frequently Asked Questions

Can "fondation" and "formation" be used interchangeably?
No. They are said differently (\fɔ̃.da.sjɔ̃\ versus \fɔʁ.ma.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fondation" or "formation"?
"formation" is the more common of the two: it sits at frequency rank #603 in our French list, against #2,576 for "fondation". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "fondation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "formation" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #434,606 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fondation" and "formation" also get mixed up with nearby pairs, the highest-scored neighbour is "fécondation vs fondation". 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 #434,606 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