Which to use
“loy” and “lux” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,027
- “loy” frequency rank
- #18,246
- “lux” frequency rank
- 62273
- confusion score
Side-by-Side Comparison
| Feature | loy | lux |
|---|---|---|
| Definition | Ancienne variante orthographique de loi. | Unité de mesure d’éclairement lumineux du Système international, définie comme lumen par mètre carré, dont le symbole est lx. |
Where the eye mixes loy and lux
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses loy with lux
A purely visual mix-up. loy (\lwa\) and lux (\lyks\) 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 62273, derived from the frequency rank of both members and their visual similarity.
loy is recorded at frequency rank #44,027, classified as anoun, pronounced \lwa\. lux is at rank #18,246, tagged as anoun, pronounced \lyks\.
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 62273, this pair ranks #87,957 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of loy vs lux
Shared letters: l. Private to "loy": oy. Private to "lux": ux.
"loy" · 3 letters · shape CVV · "lux" · 3 letters · shape CVC
Frequently Asked Questions
Do "loy" and "lux" mean the same thing in a sentence?
Frequency check: "loy" vs "lux" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "loy" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lux" - compare definitions side by side with the headword page. Word entry
- This pair ranks #87,957 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "loy" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "lobo vs loy". Nearby pair
Confusion rank #87,957 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.