décisifvsdécisiveConfusable pair

Which to use

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

#8,989
“décisif” frequency rank
#8,535
“décisive” frequency rank
17524
confusion score

Side-by-Side Comparison

Feature décisif décisive
Definition Qui emporte la décision. Féminin singulier de décisif.

Where the eye mixes décisif and décisive

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. décisif runs 7 letters (CVCVCVC) against décisive's 8 (CVCVCVCV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
décisif
8 ch
décisive

Visual trap between décisif and décisive

A purely visual mix-up. décisif (\de.si.zif\) and décisive (\de.si.ziv\) 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 17524, derived from the frequency rank of both members and their visual similarity.

décisif is recorded at frequency rank #8,989, classified as anadj, pronounced \de.si.zif\. décisive is at rank #8,535, tagged as anadj, pronounced \de.si.ziv\.

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 17524, this pair ranks #382,741 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of décisif vs décisive

Shared letters: cdisé. Private to "décisif": f. Private to "décisive": ev.

"décisif" · 7 letters · shape CVCVCVC  ·  "décisive" · 8 letters · shape CVCVCVCV

Frequently Asked Questions

Is swapping "décisif" for "décisive" ever safe?
No. They are said differently (\de.si.zif\ versus \de.si.ziv\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "décisif" or "décisive"?
"décisive" is the more common of the two: it sits at frequency rank #8,535 in our French list, against #8,989 for "décisif". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "décisif" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "décisive" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #382,741 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "décisif" and "décisive" also get mixed up with nearby pairs, the highest-scored neighbour is "décisif vs decision". Nearby pair

Confusion rank #382,741 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