decidervsdéfierWhich spelling fits?

Which to use

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

#41,731
“decider” frequency rank
#12,556
“défier” frequency rank
54287
confusion score

Side-by-Side Comparison

Feature decider défier
Definition Décider. Provoquer à une lutte, au duel.

Where the eye mixes decider and défier

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. decider runs 7 letters (CVCVCVC) against défier's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
decider
6 ch
défier

Visual trap between decider and défier

A purely visual mix-up. decider (\de.t͡si.ˈdɛr\) and défier (\de.fje\) 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 54287, derived from the frequency rank of both members and their visual similarity.

decider is recorded at frequency rank #41,731, classified as averb, pronounced \de.t͡si.ˈdɛr\. défier is at rank #12,556, tagged as averb, pronounced \de.fje\.

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 54287, this pair ranks #135,044 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of decider vs défier

Shared letters: deir. Private to "decider": c. Private to "défier": fé.

"decider" · 7 letters · shape CVCVCVC  ·  "défier" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • decider ← dceider · ddecider · deccider · decdier · decidder · deciderr · decidre · deciedr

Frequently Asked Questions

Do "decider" and "défier" mean the same thing in a sentence?
No. They are said differently (\de.t͡si.ˈdɛr\ versus \de.fje\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "decider" or "défier"?
"défier" is the more common of the two: it sits at frequency rank #12,556 in our French list, against #41,731 for "decider". 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 "decider" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "défier" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #135,044 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "decider" and "défier" also get mixed up with nearby pairs, the highest-scored neighbour is "decider vs délier". 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 #135,044 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