fonctionnellevsfonctionnelsConfusable pair

Quick tell: fonctionnelle is a noun, fonctionnels is an adjective, so they fill different roles in a sentence.

Which to use

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

#12,969
“fonctionnelle” frequency rank
#20,145
“fonctionnels” frequency rank
33114
confusion score

Side-by-Side Comparison

Feature fonctionnelle fonctionnels
Definition Fonction dont l'ensemble de définition est un espace fonctionnel. Masculin pluriel de fonctionnel.

Same sound, different letters: fonctionnelle vs fonctionnels

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 11 letters. fonctionnelle runs 13 letters (CVCCCVVCCVCCV) against fonctionnels's 12 (CVCCCVVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

13 ch
fonctionnelle
12 ch
fonctionnels

Ear matches; page differs - fonctionnelle and fonctionnels

Say them out loud and nothing separates them: fonctionnelle and fonctionnels carry the same recorded pronunciation, \fɔ̃k.sjɔ.nɛl\. Grammar is what tells them apart: one is anoun, the other anadjective, so most sentences will only accept one of them. They differ by 1 letter(s) in length. Our composite confusion score for this pair is 33114, derived from the frequency rank of both members and their visual similarity.

fonctionnelle is recorded at frequency rank #12,969, classified as anoun, pronounced \fɔ̃k.sjɔ.nɛl\. fonctionnels is at rank #20,145, tagged as anadj, 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 33114, this pair ranks #292,766 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fonctionnelle vs fonctionnels

Shared letters: cefilnot. Private to "fonctionnelle": -. Private to "fonctionnels": s.

"fonctionnelle" · 13 letters · shape CVCCCVVCCVCCV  ·  "fonctionnels" · 12 letters · shape CVCCCVVCCVCC

Known mistypes of this pair

  • fonctionnelle ← ffonctionnelle · fnoctionnelle · focntionnelle · foncctionnelle · foncitonnelle · fonctinonelle · fonctionelle · fonctionenlle
  • fonctionnels ← ffonctionnels · fnoctionnels · focntionnels · foncctionnels · foncitonnels · fonctinonels · fonctionels · fonctionenls

Frequently Asked Questions

Can "fonctionnelle" and "fonctionnels" be used interchangeably?
No - they are not even the same part of speech. "fonctionnelle" is a noun and "fonctionnels" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fonctionnelle" vs "fonctionnels" - which ranks higher?
"fonctionnelle" is the more common of the two: it sits at frequency rank #12,969 in our French list, against #20,145 for "fonctionnels". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "fonctionnelle" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fonctionnels" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #292,766 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fonctionnelle" and "fonctionnels" 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 #292,766 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