Which to use
“luck” and “lux” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,312
- “luck” frequency rank
- #18,878
- “lux” frequency rank
- 20190
- confusion score
Side-by-Side Comparison
| Feature | luck | lux |
|---|---|---|
| Definition | Something that happens to someone by chance, a chance occurrence. | In the International System of Units, the derived unit of illuminance or illumination; one lumen per square metre. Symbol: lx |
Where the eye mixes luck and lux
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. luck (/lʌk/) and lux (/lʌks/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20190, derived from the frequency rank of both members and their visual similarity.
luck is recorded at frequency rank #1,312, classified as anoun, pronounced /lʌk/. lux is at rank #18,878, tagged as anoun, pronounced /lʌks/.
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 20190, this pair ranks #432,883 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of luck vs lux
Shared letters: lu. Private to "luck": ck. Private to "lux": x.
"luck" · 4 letters · shape CVCC · "lux" · 3 letters · shape CVC
Known mistypes of this pair
- luck ← lcuk · lluck · lucck · luckk · lukc · ulck