Which to use
“lues” is an adjective and “lumen” is a noun - they look or sound alike but fill different roles in a sentence.
- #26,789
- “lues” frequency rank
- #43,534
- “lumen” frequency rank
- 70323
- confusion score
Side-by-Side Comparison
| Feature | lues | lumen |
|---|---|---|
| Definition | Féminin pluriel de lu. | Unité de mesure de flux lumineux du Système international, équivalant à une candela-stéradian, définie comme le flux lumineux de la lumière monochromatique de fréquence de 540 térahertz et de puissance de 1/683 de watt. Le symbole en est lm. |
Where the eye mixes lues and lumen
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. lues runs 4 letters (CVVC) against lumen's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: lues vs lumen
These two trip readers on the page rather than in the ear: lues is \ly\ while lumen is \ly.mɛn\. 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 70323, 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\. lumen is at rank #43,534, tagged as anoun, pronounced \ly.mɛn\.
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 70323, this pair ranks #51,741 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of lues vs lumen
Shared letters: elu. Private to "lues": s. Private to "lumen": mn.
"lues" · 4 letters · shape CVVC · "lumen" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "lues" and "lumen" be used interchangeably?
Frequency check: "lues" vs "lumen" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "lues" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lumen" - compare definitions side by side with the headword page. Word entry
- This pair ranks #51,741 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "lues" and "lumen" also get mixed up with nearby pairs, the highest-scored neighbour is "lumen vs lure". 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 #51,741 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.