foncervsfonciersWhich spelling fits?

Quick tell: foncer is a verb, fonciers is an adjective, so they fill different roles in a sentence.

Which to use

“foncer” is a verb and “fonciers” is an adjective - they look or sound alike but fill different roles in a sentence.

#17,428
“foncer” frequency rank
#20,728
“fonciers” frequency rank
38156
confusion score

Side-by-Side Comparison

Feature foncer fonciers
Definition Garnir d’un fond. Masculin pluriel de foncier.

Where the eye mixes foncer and fonciers

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. foncer runs 6 letters (CVCCVC) against fonciers's 8 (CVCCVVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
foncer
8 ch
fonciers

Look-alike desk: foncer vs fonciers

These two trip readers on the page rather than in the ear: foncer is \fɔ̃.se\ while fonciers is \fɔ̃.sje\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 38156, 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\. fonciers is at rank #20,728, 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 38156, this pair ranks #257,262 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of foncer vs fonciers

Shared letters: cefnor. Private to "foncer": -. Private to "fonciers": is.

"foncer" · 6 letters · shape CVCCVC  ·  "fonciers" · 8 letters · shape CVCCVVCC

Known mistypes of this pair

  • foncer ← ffoncer · fnocer · focner · fonccer · foncerr · foncre · fonecr · fonncer
  • fonciers ← ffonciers · fnociers · focniers · foncciers · fonceirs · foncierrs · foncierss · fonciesr

Frequently Asked Questions

Is swapping "foncer" for "fonciers" ever safe?
No - they are not even the same part of speech. "foncer" is a verb and "fonciers" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "foncer" or "fonciers" show up more?
"foncer" is the more common of the two: it sits at frequency rank #17,428 in our French list, against #20,728 for "fonciers". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "foncer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fonciers" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #257,262 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "foncer" and "fonciers" 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 #257,262 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