Which to use
“buffer” and “butter” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,856
- “buffer” frequency rank
- #3,605
- “butter” frequency rank
- 13461
- confusion score
Side-by-Side Comparison
| Feature | buffer | butter |
|---|---|---|
| Definition | Someone or something that buffs (polishes and makes shiny). | A soft, fatty foodstuff made by churning the cream of milk (generally cow's milk). |
Where the eye mixes buffer and butter
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: buffer vs butter
A purely visual mix-up. buffer (/ˈbʌfə(ɹ)/) and butter (/ˈbʌt.əɹ/) 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 13461, derived from the frequency rank of both members and their visual similarity.
buffer is recorded at frequency rank #9,856, classified as anoun, pronounced /ˈbʌfə(ɹ)/. butter is at rank #3,605, tagged as anoun, pronounced /ˈbʌt.əɹ/.
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 13461, this pair ranks #475,663 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of buffer vs butter
Shared letters: beru. Private to "buffer": f. Private to "butter": t.
"buffer" · 6 letters · shape CVCCVC · "butter" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "buffer" for "butter" ever safe?
Which is more common, "buffer" or "butter"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "buffer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "butter" - compare definitions side by side with the headword page. Word entry
- This pair ranks #475,663 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "buffer" and "butter" also get mixed up with nearby pairs, the highest-scored neighbour is "buffer vs buller". 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 #475,663 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.