Which to use
“fons” is a noun and “fuis” is a verb - they look or sound alike but fill different roles in a sentence.
- #43,445
- “fons” frequency rank
- #14,680
- “fuis” frequency rank
- 58125
- confusion score
Side-by-Side Comparison
| Feature | fons | fuis |
|---|---|---|
| Definition | Fonds (patrimoine). | Participe passé masculin pluriel de fuir. |
Letter map: fons vs fuis
Shared letters muted; letters that set fons and fuis apart highlighted. Shared run: 2. fons (CVCC) and fuis (CVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Grammar separator: fons vs fuis
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fons is anoun and fuisaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 58125, derived from the frequency rank of both members and their visual similarity.
fons is recorded at frequency rank #43,445, classified as anoun. fuis is at rank #14,680, tagged as averb, pronounced \fɥi\.
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 58125, this pair ranks #110,884 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of fons vs fuis
Shared letters: fs. Private to "fons": no. Private to "fuis": iu.
"fons" · 4 letters · shape CVCC · "fuis" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Can "fons" and "fuis" be used interchangeably?
In ordinary French text, does "fons" or "fuis" show up more?
Useful next steps
Done with this confusable. These links stay specific to "fons" and "fuis".
- Full dictionary entry for "fons" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fuis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #110,884 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fons" and "fuis" 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 #110,884 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.