décisif vs décisifs, What's the Difference?

Which to use

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

#8,989
“décisif” frequency rank: #25,291
“décisifs” frequency rank: 34280
confusion score

Side-by-Side Comparison

Feature	décisif	décisifs
Definition	Qui emporte la décision.	Masculin pluriel de décisif.

Same sound, different letters: décisif vs décisifs

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 7 letters. décisif runs 7 letters (CVCVCVC) against décisifs's 8 (CVCVCVCC) - the length gap alone is often enough to separate them once you know to check it.

7 ch

décisif

8 ch

décisifs

Ear matches; page differs - décisif and décisifs

This is the hard kind. décisif and décisifs are pronounced identically (\de.si.zif\) and both work as anadjective. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “décisif” sits inside “décisifs”. Our composite confusion score for this pair is 34280, 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\. décisifs is at rank #25,291, tagged as anadj, pronounced \de.si.zif\.

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 34280, this pair ranks #284,920 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of décisif vs décisifs

Shared letters: cdfisé. Private to "décisif": -. Private to "décisifs": -.

"décisif" · 7 letters · shape CVCVCVC · "décisifs" · 8 letters · shape CVCVCVCC

Frequently Asked Questions

Do "décisif" and "décisifs" mean the same thing in a sentence?

No. They are pronounced the same (\de.si.zif\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.

Frequency check: "décisif" vs "décisifs" - which ranks higher?

"décisif" is the more common of the two: it sits at frequency rank #8,989 in our French list, against #25,291 for "décisifs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

"décisif" and "décisifs" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

Full dictionary entry for "décisif" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "décisifs" - compare definitions side by side with the headword page. Word entry
This pair ranks #284,920 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"décisif" and "décisifs" also get mixed up with nearby pairs, the highest-scored neighbour is "décisifs vs decision". Nearby pair

Confusion rank #284,920 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.