résiduelvsrésiduelleWhat's the difference?

Which to use

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

#42,599
“résiduel” frequency rank
#32,580
“résiduelle” frequency rank
75179
confusion score

Side-by-Side Comparison

Feature résiduel résiduelle
Definition Qui reste, qui persiste, qui constitue un résidu. Féminin singulier de résiduel.

Same sound, different letters: résiduel vs résiduelle

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 8 letters. résiduel runs 8 letters (CVCVCVVC) against résiduelle's 10 (CVCVCVVCCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
résiduel
10 ch
résiduelle

Ear matches; page differs - résiduel and résiduelle

This is the hard kind. résiduel and résiduelle 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 2 extra letter(s) - “résiduel” sits inside “résiduelle”. Our composite confusion score for this pair is 75179, 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\. résiduelle is at rank #32,580, 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 75179, this pair ranks #34,861 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of résiduel vs résiduelle

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

"résiduel" · 8 letters · shape CVCVCVVC  ·  "résiduelle" · 10 letters · shape CVCVCVVCCV

Frequently Asked Questions

Do "résiduel" and "résiduelle" mean the same thing in a sentence?
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 "résiduelle" - which ranks higher?
"résiduelle" is the more common of the two: it sits at frequency rank #32,580 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" / "résiduelle". 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 "résiduelle" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,861 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "résiduel" and "résiduelle" also get mixed up with nearby pairs, the highest-scored neighbour is "résiduel vs résiduelles". Nearby pair

Confusion rank #34,861 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