Which to use
“Linux” is a name and “lux” is a noun - they look or sound alike but fill different roles in a sentence.
- #8,417
- “Linux” frequency rank
- #18,246
- “lux” frequency rank
- 26663
- confusion score
Side-by-Side Comparison
| Feature | Linux | lux |
|---|---|---|
| Definition | Noyau de système d’exploitation développé sous licence GPL et adoptant une architecture de type UNIX. | Unité de mesure d’éclairement lumineux du Système international, définie comme lumen par mètre carré, dont le symbole est lx. |
Where the eye mixes Linux and lux
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses Linux with lux
These two trip readers on the page rather than in the ear: Linux is \li.nyks\ while lux is \lyks\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 26663, derived from the frequency rank of both members and their visual similarity.
Linux is recorded at frequency rank #8,417, classified as aname, pronounced \li.nyks\. 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 26663, this pair ranks #333,579 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Linux vs lux
Shared letters: lux. Private to "Linux": in. Private to "lux": -.
"Linux" · 5 letters · shape CVCVC · "lux" · 3 letters · shape CVC
Known mistypes of this pair
- Linux ← ilnux · linnux · linuxx · linxu · liunx · llinux · lniux
Frequently Asked Questions
Can "Linux" and "lux" be used interchangeably?
Frequency check: "Linux" vs "lux" - which ranks higher?
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 "Linux" 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 #333,579 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Linux" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "lep vs lux". 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 #333,579 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.