Which to use
“buff” and “bulk” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,111
- “buff” frequency rank
- #5,195
- “bulk” frequency rank
- 18306
- confusion score
Side-by-Side Comparison
| Feature | buff | bulk |
|---|---|---|
| Definition | Undyed leather from the skin of buffalo or similar animals. | Size, specifically, volume. |
Where the eye mixes buff and bulk
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses buff with bulk
A purely visual mix-up. buff (/bʌf/) and bulk (/bʌlk/) 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 18306, derived from the frequency rank of both members and their visual similarity.
buff is recorded at frequency rank #13,111, classified as anoun, pronounced /bʌf/. bulk is at rank #5,195, tagged as anoun, pronounced /bʌlk/.
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 18306, this pair ranks #445,769 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of buff vs bulk
Shared letters: bu. Private to "buff": f. Private to "bulk": kl.
"buff" · 4 letters · shape CVCC · "bulk" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Do "buff" and "bulk" mean the same thing in a sentence?
Frequency check: "buff" vs "bulk" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "buff" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bulk" - compare definitions side by side with the headword page. Word entry
- This pair ranks #445,769 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "buff" and "bulk" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs buff". 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 #445,769 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.