Which to use
“luck” and “lum” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,312
- “luck” frequency rank
- #47,736
- “lum” frequency rank
- 49048
- confusion score
Side-by-Side Comparison
| Feature | luck | lum |
|---|---|---|
| Definition | Something that happens to someone by chance, a chance occurrence. | A chimney; also, the top part of a chimney. |
Where the eye mixes luck and lum
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. luck (/lʌk/) and lum (/lʌm/) 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 49048, 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/. lum is at rank #47,736, tagged as anoun, pronounced /lʌm/.
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 49048, this pair ranks #187,342 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of luck vs lum
Shared letters: lu. Private to "luck": ck. Private to "lum": m.
"luck" · 4 letters · shape CVCC · "lum" · 3 letters · shape CVC
Known mistypes of this pair
- luck ← lcuk · lluck · lucck · luckk · lukc · ulck