Which to use
“résidus” is a noun and “résolus” is an adjective - they look or sound alike but fill different roles in a sentence.
- #13,255
- “résidus” frequency rank
- #18,587
- “résolus” frequency rank
- 31842
- confusion score
Side-by-Side Comparison
| Feature | résidus | résolus |
|---|---|---|
| Definition | Pluriel de résidu. | Masculin pluriel de résolu. |
Where the eye mixes résidus and résolus
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. résidus and résolus follow the identical consonant-vowel pattern (CVCVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses résidus with résolus
These two trip readers on the page rather than in the ear: résidus is \ʁe.zi.dy\ while résolus is \ʁe.zɔ.ly\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 31842, derived from the frequency rank of both members and their visual similarity.
résidus is recorded at frequency rank #13,255, classified as anoun, pronounced \ʁe.zi.dy\. résolus is at rank #18,587, tagged as anadj, pronounced \ʁe.zɔ.ly\.
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 31842, this pair ranks #301,212 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of résidus vs résolus
Shared letters: rsué. Private to "résidus": di. Private to "résolus": lo.
"résidus" · 7 letters · shape CVCVCVC · "résolus" · 7 letters · shape CVCVCVC
Frequently Asked Questions
Is swapping "résidus" for "résolus" ever safe?
Which is more common, "résidus" or "résolus"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "résidus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "résolus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #301,212 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "résidus" and "résolus" also get mixed up with nearby pairs, the highest-scored neighbour is "résolus vs révolus". Nearby pair
Confusion rank #301,212 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.