Which to use
“butt” is a noun and “buy” is a verb - they look or sound alike but fill different roles in a sentence.
- #48,861
- “butt” frequency rank
- #29,082
- “buy” frequency rank
- 77943
- confusion score
Side-by-Side Comparison
| Feature | butt | buy |
|---|---|---|
| Definition | Cola, extremo posterior. | Comprar. |
Where the eye mixes butt and buy
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between butt and buy
These two trip readers on the page rather than in the ear: butt is /bʌt/ while buy is /baɪ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 77943, derived from the frequency rank of both members and their visual similarity.
butt is recorded at frequency rank #48,861, classified as anoun, pronounced /bʌt/. buy is at rank #29,082, tagged as averb, pronounced /baɪ/.
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 77943, this pair ranks #15,195 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of butt vs buy
Shared letters: bu. Private to "butt": t. Private to "buy": y.
"butt" · 4 letters · shape CVCC · "buy" · 3 letters · shape CVV
Known mistypes of this pair
- butt ← bbutt · btut · ubtt · vutt
Frequently Asked Questions
Can "butt" and "buy" be used interchangeably?
Which is more common, "butt" or "buy"?
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 "butt" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "buy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #15,195 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "butt" and "buy" also get mixed up with nearby pairs, the highest-scored neighbour is "blunt vs butt". 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 #15,195 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.