lumvslumpsConfusable pair

Which to use

“lum” and “lumps” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#47,736
“lum” frequency rank
#22,733
“lumps” frequency rank
70469
confusion score

Side-by-Side Comparison

Feature lum lumps
Definition A chimney; also, the top part of a chimney. A beating or verbal abuse.

Letter map: lum vs lumps

Shared letters muted; letters that set lum and lumps apart highlighted. Shared run: 3. lum runs 3 letters (CVC) against lumps's 5 (CVCCC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
lum
5 ch
lumps

Pair insight - lum / lumps

lum and lumps are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 extra letter(s) - “lum” sits inside “lumps”. Our composite confusion score for this pair is 70469, 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/. lumps is at rank #22,733, tagged as anoun.

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 70469, this pair ranks #50,461 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lum vs lumps

Shared letters: lmu. Private to "lum": -. Private to "lumps": ps.

"lum" · 3 letters · shape CVC  ·  "lumps" · 5 letters · shape CVCCC

Known mistypes of this pair

  • lumps ← llumps · lmups · lummps · lumpps · lumpss · lumsp · lupms · ulmps

Frequently Asked Questions

Do "lum" and "lumps" mean the same thing in a sentence?
No. They differ by 2 extra letter(s) - “lum” sits inside “lumps”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "lum" or "lumps" show up more?
"lumps" is the more common of the two: it sits at frequency rank #22,733 in our English list, against #47,736 for "lum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "lum" and "lumps". Here's where to go from here.

  • Full dictionary entry for "lum" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lumps" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #50,461 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lum" and "lumps" 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 #50,461 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list