efficacité

\e.fi.ka.si.te\

/\e.fi.ka.si.te\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“efficacité” has 13 generated spelling variants in the French index at frequency #2,712. The variants make it a useful spelling check.

#2,712
frequency rank, French
3,255
“E” headwords
13
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Caractère de ce qui est efficace.

Corpus desk

Index FR-efficacite · efficacité · French

efficacité · rank #2,712 · 13 variants · 1 confusable

  • FREQ-COMMON #2,712
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 13 variants
  • BOOK-MID 3,255
  • PHOTO-FINISH délai

Nearest frequency peer: délai (-1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Pairs de rang près de l'aimant d'erreurs « efficacité »

Même bande de rareté: utile si une faute tombe sur un lemme voisin

corpus weight

What this shows « efficacité » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

efficacité vs efficace
70% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for efficacité
PropertyValue
Headwordefficacité
LanguageFrench
Part of speechNoun
IPA\e.fi.ka.si.te\
Letters10
Frequency rank#2,712
Misspellings tracked13
Confusable pairs1
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « efficacité »

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).efficacitése place ici:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Dans la même bande de rareté figurent « délai » (#2,711), « employé » (#2,713), « déjeuner » (#2,710). Parmi 3,255 lemmes en « E », « efficacité » est au #2,712. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around efficacité (IPA \e.fi.ka.si.te\), anoun. Corpus frequency is #2,712 among 3,255 “E” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 13 likely wrong-spelling variants for efficacité, with forms such as "effciacité", "effiaccité", and "efficaccité". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "efficace", where similar look or sound leads writers to substitute one word for another in context.

No explicit etymology string is stored for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is efficacité, spelled E-F-F-I-C-A-C-I-T-É.

Definition

  1. 1
    Caractère de ce qui est efficace.
  2. 2
    Capacité de produire un résultat.
  3. 3
    Caractère d’une personne efficace, d’un comportement, d’une action efficace.

Recorded use

Wiktionary examples

These source excerpts show how efficacité appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Les résultats obtenus sur la commune de Martigny sont assez surprenants par le maintien d’une assez bonne efficacité du tébufénozide et l’existence d’une résistance au thiaclopride et au chlorpyrifos-éthyl.
  2. Même s’ils en font rêver plus d’un, tout le monde n’investit pas des tracteurs high-tech. À tous ceux qui recherchent la simplicité et l’efficacité avant tout, cet essai est fait pour vous.

Antonyms

inefficacité

This word in other languages

effectiveness(English)eficacia(Español)eficácia(Português)

Common misspellings

Also misspelled as:

  • effciacité
  • effiaccité
  • efficaccité
  • efficacite
  • efficacitté
  • efficaciét
  • efficactié
  • efficaicté
  • efficcacité
  • efficcaité
  • eficacité
  • efifcacité
  • feficacité

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of efficacité - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

effciacité2effiaccité2efficaccité1efficacite1efficacitté1efficaciét2efficactié2efficaicté2
Edit distance from "efficacité"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "efficacité"?
"efficacité" is spelled E-F-F-I-C-A-C-I-T-É. The IPA pronunciation is \e.fi.ka.si.te\.
What does "efficacité" mean?
As a noun, "efficacité" means: Caractère de ce qui est efficace.
What words are commonly confused with "efficacité"?
"efficacité" is commonly confused with "efficace". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "efficacité"?
The IPA (International Phonetic Alphabet) transcription for "efficacité" is \e.fi.ka.si.te\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "efficacité" come from?
"efficacité" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "efficacité", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 10 letters (nearest by frequency rank).

obligation#2,687secondaire#2,738déterminer#2,671frontières#2,777

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

organiser13 variantstentative13 variantsviolences13 variantséchanges13 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list