fonctionnelvsfonctionnellesTell them apart

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

Which to use

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

#12,785
“fonctionnel” frequency rank
#25,320
“fonctionnelles” frequency rank
38105
confusion score

Side-by-Side Comparison

Feature fonctionnel fonctionnelles
Definition Relatif à la fonction. Pluriel de fonctionnelle.

Same sound, different letters: fonctionnel vs fonctionnelles

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 11 letters.

11 ch
fonctionnel
14 ch
fonctionnelles

Ear matches; page differs - fonctionnel and fonctionnelles

Say them out loud and nothing separates them: fonctionnel and fonctionnelles carry the same recorded pronunciation, \fɔ̃k.sjɔ.nɛl\. Grammar is what tells them apart: one is anadjective, the other anoun, so most sentences will only accept one of them. They differ by 3 extra letter(s) - “fonctionnel” sits inside “fonctionnelles”. Our composite confusion score for this pair is 38105, derived from the frequency rank of both members and their visual similarity.

fonctionnel is recorded at frequency rank #12,785, classified as anadj, pronounced \fɔ̃k.sjɔ.nɛl\. fonctionnelles is at rank #25,320, tagged as anoun, pronounced \fɔ̃k.sjɔ.nɛl\.

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 38105, this pair ranks #257,642 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fonctionnel vs fonctionnelles

Shared letters: cefilnot. Private to "fonctionnel": -. Private to "fonctionnelles": s.

"fonctionnel" · 11 letters · shape CVCCCVVCCVC  ·  "fonctionnelles" · 14 letters · shape CVCCCVVCCVCCVC

Known mistypes of this pair

  • fonctionnelffonctionnel · fnoctionnel · focntionnel · foncctionnel · foncitonnel · fonctinonel · fonctionel · fonctionenl
  • fonctionnellesffonctionnelles · fnoctionnelles · focntionnelles · foncctionnelles · foncitonnelles · fonctinonelles · fonctionelles · fonctionenlles

Frequently Asked Questions

Is swapping "fonctionnel" for "fonctionnelles" ever safe?
No - they are not even the same part of speech. "fonctionnel" is an adjective and "fonctionnelles" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "fonctionnel" or "fonctionnelles" show up more?
"fonctionnel" is the more common of the two: it sits at frequency rank #12,785 in our French list, against #25,320 for "fonctionnelles". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

"fonctionnel" and "fonctionnelles" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

  • Full dictionary entry for "fonctionnel" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fonctionnelles" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #257,642 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fonctionnel" and "fonctionnelles" also get mixed up with nearby pairs, the highest-scored neighbour is "fonctionnelles vs fonctionnels". 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 #257,642 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