effetsvseffortsWhich spelling fits?

Which to use

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

#1,258
“effets” frequency rank
#1,700
“efforts” frequency rank
2958
confusion score

Side-by-Side Comparison

Feature effets efforts
Definition Pluriel de effet. Pluriel de effort.

Where the eye mixes effets and efforts

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
effets
7 ch
efforts

Why the eye confuses effets with efforts

A purely visual mix-up. effets (\e.fɛ\) and efforts (\e.fɔʁ\) 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 2958, derived from the frequency rank of both members and their visual similarity.

effets is recorded at frequency rank #1,258, classified as anoun, pronounced \e.fɛ\. efforts is at rank #1,700, tagged as anoun, pronounced \e.fɔʁ\.

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 2958, this pair ranks #435,109 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of effets vs efforts

Shared letters: efst. Private to "effets": -. Private to "efforts": or.

"effets" · 6 letters · shape VCCVCC  ·  "efforts" · 7 letters · shape VCCVCCC

Known mistypes of this pair

  • effetsefefts · efets · effest · effetss · effetts · efftes · fefets
  • effortsefforrts · efforst · effortss · effortts · effotrs · effrots · efofrts · eforts

Frequently Asked Questions

Is swapping "effets" for "efforts" ever safe?
No. They are said differently (\e.fɛ\ versus \e.fɔʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "effets" vs "efforts" - which ranks higher?
"effets" is the more common of the two: it sits at frequency rank #1,258 in our French list, against #1,700 for "efforts". 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 "effets" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "efforts" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #435,109 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "effets" and "efforts" also get mixed up with nearby pairs, the highest-scored neighbour is "effects vs efforts". 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 #435,109 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