effectifsvseffectivesConfusable pair

Which to use

“effectifs” and “effectives” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#5,448
“effectifs” frequency rank
#37,305
“effectives” frequency rank
42753
confusion score

Side-by-Side Comparison

Feature effectifs effectives
Definition Masculin pluriel de effectif. Féminin pluriel de effectif.

Where the eye mixes effectifs and effectives

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

9 ch
effectifs
10 ch
effectives

Why the eye confuses effectifs with effectives

A purely visual mix-up. effectifs (\e.fɛk.tif\) and effectives (\e.fɛk.tiv\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42753, derived from the frequency rank of both members and their visual similarity.

effectifs is recorded at frequency rank #5,448, classified as anadj, pronounced \e.fɛk.tif\. effectives is at rank #37,305, tagged as anadj, pronounced \e.fɛk.tiv\.

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 42753, this pair ranks #223,191 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of effectifs vs effectives

Shared letters: cefist. Private to "effectifs": -. Private to "effectives": v.

"effectifs" · 9 letters · shape VCCVCCVCC  ·  "effectives" · 10 letters · shape VCCVCCVCVC

Known mistypes of this pair

  • effectifsefectifs · efefctifs · effcetifs · effecctifs · effecitfs · effectfis · effectiffs · effectifss
  • effectivesefectives · efefctives · effcetives · effecctives · effecitves · effectievs · effectivess · effectivse

Frequently Asked Questions

Do "effectifs" and "effectives" mean the same thing in a sentence?
No. They are said differently (\e.fɛk.tif\ versus \e.fɛk.tiv\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "effectifs" or "effectives"?
"effectifs" is the more common of the two: it sits at frequency rank #5,448 in our French list, against #37,305 for "effectives". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "effectifs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "effectives" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #223,191 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "effectifs" and "effectives" also get mixed up with nearby pairs, the highest-scored neighbour is "effective vs effectives". 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 #223,191 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