Which to use
“lues” is an adjective and “lupus” is a noun - they look or sound alike but fill different roles in a sentence.
- #26,789
- “lues” frequency rank
- #28,636
- “lupus” frequency rank
- 55425
- confusion score
Side-by-Side Comparison
| Feature | lues | lupus |
|---|---|---|
| Definition | Féminin pluriel de lu. | Lupus érythémateux (maladie auto-immune). |
Where the eye mixes lues and lupus
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. lues runs 4 letters (CVVC) against lupus's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between lues and lupus
These two trip readers on the page rather than in the ear: lues is \ly\ while lupus is \ly.pys\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 55425, derived from the frequency rank of both members and their visual similarity.
lues is recorded at frequency rank #26,789, classified as anadj, pronounced \ly\. lupus is at rank #28,636, tagged as anoun, pronounced \ly.pys\.
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 55425, this pair ranks #127,525 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of lues vs lupus
Shared letters: lsu. Private to "lues": e. Private to "lupus": p.
"lues" · 4 letters · shape CVVC · "lupus" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "lues" and "lupus" mean the same thing in a sentence?
Which is more common, "lues" or "lupus"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "lues" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lupus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #127,525 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "lues" and "lupus" also get mixed up with nearby pairs, the highest-scored neighbour is "lep vs lues". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #127,525 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.