décimalevsdécimalesWhat's the difference?

Which to use

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

#49,610
“décimale” frequency rank
#49,038
“décimales” frequency rank
98648
confusion score

Side-by-Side Comparison

Feature décimale décimales
Definition Féminin singulier de décimal. Féminin pluriel de décimal.

Same sound, different letters: décimale vs décimales

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 8 letters. décimale runs 8 letters (CVCVCVCV) against décimales's 9 (CVCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
décimale
9 ch
décimales

Ear matches; page differs - décimale and décimales

This is the hard kind. décimale and décimales are pronounced identically (\de.si.mal\) 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) - “décimale” sits inside “décimales”. Our composite confusion score for this pair is 98648, derived from the frequency rank of both members and their visual similarity.

décimale is recorded at frequency rank #49,610, classified as anadj, pronounced \de.si.mal\. décimales is at rank #49,038, tagged as anadj, pronounced \de.si.mal\.

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 98648, this pair ranks #85 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of décimale vs décimales

Shared letters: acdeilmé. Private to "décimale": -. Private to "décimales": s.

"décimale" · 8 letters · shape CVCVCVCV  ·  "décimales" · 9 letters · shape CVCVCVCVC

Frequently Asked Questions

Can "décimale" and "décimales" be used interchangeably?
No. They are pronounced the same (\de.si.mal\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
In ordinary French text, does "décimale" or "décimales" show up more?
"décimales" is the more common of the two: it sits at frequency rank #49,038 in our French list, against #49,610 for "décimale". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "décimale" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "décimales" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #85 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "décimale" and "décimales" also get mixed up with nearby pairs, the highest-scored neighbour is "décimale vs décimée". Nearby pair

Confusion rank #85 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