Which to use
“lep” is an adjective and “lux” is a noun - they look or sound alike but fill different roles in a sentence.
- #49,766
- “lep” frequency rank
- #18,246
- “lux” frequency rank
- 68012
- confusion score
Side-by-Side Comparison
| Feature | lep | lux |
|---|---|---|
| Definition | Beau, agréable. | Unité de mesure d’éclairement lumineux du Système international, définie comme lumen par mètre carré, dont le symbole est lx. |
Where the eye mixes lep and lux
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses lep with lux
These two trip readers on the page rather than in the ear: lep is \lɛːp\ while lux is \lyks\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 68012, derived from the frequency rank of both members and their visual similarity.
lep is recorded at frequency rank #49,766, classified as anadj, pronounced \lɛːp\. 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 68012, this pair ranks #60,978 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of lep vs lux
Shared letters: l. Private to "lep": ep. Private to "lux": ux.
"lep" · 3 letters · shape CVC · "lux" · 3 letters · shape CVC
Frequently Asked Questions
Do "lep" and "lux" mean the same thing in a sentence?
Frequency check: "lep" vs "lux" - 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 "lep" 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 #60,978 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "lep" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "lar vs lep". Nearby pair
Confusion rank #60,978 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.