fondévsfonsWhat's the difference?

Quick tell: fondé is a adjective, fons is a noun, so they fill different roles in a sentence.

Which to use

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

#3,259
“fondé” frequency rank
#43,445
“fons” frequency rank
46704
confusion score

Side-by-Side Comparison

Feature fondé fons
Definition Justifié, qui s’appuie sur des faits. Fonds (patrimoine).

Letter map: fondé vs fons

Shared letters muted; letters that set fondé and fons apart highlighted. Shared run: 3. fondé runs 5 letters (CVCCV) against fons's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
fondé
4 ch
fons

Part-of-speech tell for fondé / fons

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fondé is anadjective and fonsanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46704, derived from the frequency rank of both members and their visual similarity.

fondé is recorded at frequency rank #3,259, classified as anadj, pronounced \fɔ̃.de\. fons is at rank #43,445, tagged as anoun.

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 46704, this pair ranks #192,798 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fondé vs fons

Shared letters: fno. Private to "fondé": dé. Private to "fons": s.

"fondé" · 5 letters · shape CVCCV  ·  "fons" · 4 letters · shape CVCC

Known mistypes of this pair

  • fons ← ffons · fnos · fonns · fonss · fosn · ofns

Frequently Asked Questions

Can "fondé" and "fons" be used interchangeably?
No - they are not even the same part of speech. "fondé" is an adjective and "fons" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fondé" or "fons"?
"fondé" is the more common of the two: it sits at frequency rank #3,259 in our French list, against #43,445 for "fons". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "fondé" and "fons". Here's where to go from here.

  • Full dictionary entry for "fondé" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #192,798 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fondé" and "fons" also get mixed up with nearby pairs, the highest-scored neighbour is "foins vs fons". 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 #192,798 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