Which to use
“los” and “lum” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,728
- “los” frequency rank
- #47,736
- “lum” frequency rank
- 49464
- confusion score
Side-by-Side Comparison
| Feature | los | lum |
|---|---|---|
| Definition | A medium-sized wildcat, most of them part of the genus Lynx. | A chimney; also, the top part of a chimney. |
Where the eye mixes los and lum
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses los with lum
A purely visual mix-up. los (/lɒs/) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 49464, derived from the frequency rank of both members and their visual similarity.
los is recorded at frequency rank #1,728, classified as anoun, pronounced /lɒs/. 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 49464, this pair ranks #183,326 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of los vs lum
Shared letters: l. Private to "los": os. Private to "lum": mu.
"los" · 3 letters · shape CVC · "lum" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "los" for "lum" ever safe?
In ordinary English text, does "los" or "lum" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "los" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lum" - compare definitions side by side with the headword page. Word entry
- This pair ranks #183,326 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "los" and "lum" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs lum". Nearby pair
Confusion rank #183,326 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.