Which to use
“lumen” and “lunes” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #43,534
- “lumen” frequency rank
- #21,381
- “lunes” frequency rank
- 64915
- confusion score
Side-by-Side Comparison
| Feature | lumen | lunes |
|---|---|---|
| Definition | 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. | Pluriel de lune (utilisé dans le sens de satellite naturel). |
Where the eye mixes lumen and lunes
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. lumen and lunes follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: lumen vs lunes
A purely visual mix-up. lumen (\ly.mɛn\) and lunes (\lyn\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 64915, derived from the frequency rank of both members and their visual similarity.
lumen is recorded at frequency rank #43,534, classified as anoun, pronounced \ly.mɛn\. lunes is at rank #21,381, tagged as anoun, pronounced \lyn\.
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 64915, this pair ranks #74,734 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of lumen vs lunes
Shared letters: elnu. Private to "lumen": m. Private to "lunes": s.
"lumen" · 5 letters · shape CVCVC · "lunes" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "lumen" for "lunes" ever safe?
In ordinary French text, does "lumen" or "lunes" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "lumen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lunes" - compare definitions side by side with the headword page. Word entry
- This pair ranks #74,734 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "lumen" and "lunes" 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 #74,734 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.