Which to use
“lum” and “lump” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,736
- “lum” frequency rank
- #11,065
- “lump” frequency rank
- 58801
- confusion score
Side-by-Side Comparison
| Feature | lum | lump |
|---|---|---|
| Definition | A chimney; also, the top part of a chimney. | Something that protrudes, sticks out, or sticks together; a cluster or blob; a mound or mass of no particular shape. |
Where the eye mixes lum and lump
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. lum (/lʌm/) and lump (/lʌmp/) 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 extra letter(s) - “lum” sits inside “lump”. Our composite confusion score for this pair is 58801, derived from the frequency rank of both members and their visual similarity.
lum is recorded at frequency rank #47,736, classified as anoun, pronounced /lʌm/. lump is at rank #11,065, tagged as anoun, pronounced /lʌmp/.
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 58801, this pair ranks #110,211 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of lum vs lump
Shared letters: lmu. Private to "lum": -. Private to "lump": p.
"lum" · 3 letters · shape CVC · "lump" · 4 letters · shape CVCC
Known mistypes of this pair
- lump ← llump · lmup · lummp · lumpp · lupm · ulmp