Which to use
“Bui” is a name and “but” is a preposition - they look or sound alike but fill different roles in a sentence.
- #48,638
- “Bui” frequency rank
- #25
- “but” frequency rank
- 48663
- confusion score
Side-by-Side Comparison
| Feature | Bui | but |
|---|---|---|
| Definition | A surname. | Apart from, except (for), excluding. |
Letter map: Bui vs but
Shared letters muted; letters that set Bui and but apart highlighted. Shared run: 2.
Role in the sentence - Bui and but
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Bui is aname and butapreposition. On the page they differ by a single letter - i in “Bui” becomes t in “but”. Our composite confusion score for this pair is 48663, derived from the frequency rank of both members and their visual similarity.
Bui is recorded at frequency rank #48,638, classified as aname. but is at rank #25, tagged as aprep, pronounced /ˈbʌt/.
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 48663, this pair ranks #190,905 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Bui vs but
Shared letters: bu. Private to "Bui": i. Private to "but": t.
"Bui" · 3 letters · shape CVV · "but" · 3 letters · shape CVC
Frequently Asked Questions
Do "Bui" and "but" mean the same thing in a sentence?
Frequency check: "Bui" vs "but" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "Bui" and "but".
- Full dictionary entry for "Bui" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "but" - compare definitions side by side with the headword page. Word entry
- This pair ranks #190,905 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Bui" and "but" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs Bui". Nearby pair
Confusion rank #190,905 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.