Which to use
“foncer” is a verb and “foncier” is an adjective - they look or sound alike but fill different roles in a sentence.
- #17,428
- “foncer” frequency rank
- #11,222
- “foncier” frequency rank
- 28650
- confusion score
Side-by-Side Comparison
| Feature | foncer | foncier |
|---|---|---|
| Definition | Garnir d’un fond. | Relatif à une propriété immobilière. |
Where the eye mixes foncer and foncier
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. foncer runs 6 letters (CVCCVC) against foncier's 7 (CVCCVVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: foncer vs foncier
These two trip readers on the page rather than in the ear: foncer is \fɔ̃.se\ while foncier is \fɔ̃.sje\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 28650, derived from the frequency rank of both members and their visual similarity.
foncer is recorded at frequency rank #17,428, classified as averb, pronounced \fɔ̃.se\. foncier is at rank #11,222, tagged as anadj, pronounced \fɔ̃.sje\.
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 28650, this pair ranks #321,518 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of foncer vs foncier
Shared letters: cefnor. Private to "foncer": -. Private to "foncier": i.
"foncer" · 6 letters · shape CVCCVC · "foncier" · 7 letters · shape CVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "foncer" and "foncier" mean the same thing in a sentence?
Which is more common, "foncer" or "foncier"?
Useful next steps
Eye-level mix-up between "foncer" and "foncier" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "foncer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "foncier" - compare definitions side by side with the headword page. Word entry
- This pair ranks #321,518 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "foncer" and "foncier" also get mixed up with nearby pairs, the highest-scored neighbour is "foncer vs fronce". 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 #321,518 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.