Which to use
“lime” and “lum” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #8,814
- “lime” frequency rank
- #47,736
- “lum” frequency rank
- 56550
- confusion score
Side-by-Side Comparison
| Feature | lime | lum |
|---|---|---|
| Definition | Any inorganic material containing calcium, usually calcium oxide (quicklime) or calcium hydroxide (slaked lime). | A chimney; also, the top part of a chimney. |
Where the eye mixes lime and lum
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between lime and lum
A purely visual mix-up. lime (/laɪm/) 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 56550, derived from the frequency rank of both members and their visual similarity.
lime is recorded at frequency rank #8,814, classified as anoun, pronounced /laɪm/. 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 56550, this pair ranks #125,455 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of lime vs lum
Shared letters: lm. Private to "lime": ei. Private to "lum": u.
"lime" · 4 letters · shape CVCV · "lum" · 3 letters · shape CVC
Known mistypes of this pair
- lime ← ilme · liem · limme · llime · lmie
Frequently Asked Questions
Do "lime" and "lum" mean the same thing in a sentence?
Which is more common, "lime" or "lum"?
After this comparison
Eye-level mix-up between "lime" and "lum" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "lime" 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 #125,455 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "lime" and "lum" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs lum". 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 #125,455 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.