résiduelvsrésiduellesConfusable pair

Which to use

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

#42,599
“résiduel” frequency rank
#39,525
“résiduelles” frequency rank
82124
confusion score

Side-by-Side Comparison

Feature résiduel résiduelles
Definition Qui reste, qui persiste, qui constitue un résidu. Féminin pluriel de résiduel.

Same sound, different letters: résiduel vs résiduelles

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 8 letters. résiduel runs 8 letters (CVCVCVVC) against résiduelles's 11 (CVCVCVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
résiduel
11 ch
résiduelles

Same sound, different spelling - résiduel / résiduelles

This is the hard kind. résiduel and résiduelles are pronounced identically (\ʁe.zi.dɥɛl\) 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 3 extra letter(s) - “résiduel” sits inside “résiduelles”. Our composite confusion score for this pair is 82124, derived from the frequency rank of both members and their visual similarity.

résiduel is recorded at frequency rank #42,599, classified as anadj, pronounced \ʁe.zi.dɥɛl\. résiduelles is at rank #39,525, tagged as anadj, pronounced \ʁe.zi.dɥɛl\.

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 82124, this pair ranks #17,367 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of résiduel vs résiduelles

Shared letters: deilrsué. Private to "résiduel": -. Private to "résiduelles": -.

"résiduel" · 8 letters · shape CVCVCVVC  ·  "résiduelles" · 11 letters · shape CVCVCVVCCVC

Frequently Asked Questions

Can "résiduel" and "résiduelles" be used interchangeably?
No. They are pronounced the same (\ʁe.zi.dɥɛl\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Frequency check: "résiduel" vs "résiduelles" - which ranks higher?
"résiduelles" is the more common of the two: it sits at frequency rank #39,525 in our French list, against #42,599 for "résiduel". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've separated the homophone pair "résiduel" / "résiduelles". Follow the links when you need the full entry or a neighbour that trips the same ear.

  • Full dictionary entry for "résiduel" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "résiduelles" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,367 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "résiduel" and "résiduelles" also get mixed up with nearby pairs, the highest-scored neighbour is "résiduel vs résiduelle". Nearby pair

Confusion rank #17,367 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