budvsBuiWhich spelling fits?

Quick tell: bud is a noun, Bui is a name, so they fill different roles in a sentence.

Which to use

“bud” is a noun and “Bui” is a name - they look or sound alike but fill different roles in a sentence.

#6,218
“bud” frequency rank
#48,638
“Bui” frequency rank
54856
confusion score

Side-by-Side Comparison

Feature bud Bui
Definition A newly sprouted leaf or blossom that has not yet unfolded. A surname.

Letter map: bud vs Bui

Shared letters muted; letters that set bud and Bui apart highlighted. Shared run: 2.

3 ch
bud
3 ch
Bui

Part-of-speech tell for bud / Bui

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bud is anoun and Buianame. On the page they differ by a single letter - d in “bud” becomes i in “Bui”. Our composite confusion score for this pair is 54856, derived from the frequency rank of both members and their visual similarity.

bud is recorded at frequency rank #6,218, classified as anoun, pronounced /bʌd/. Bui is at rank #48,638, tagged as aname.

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 54856, this pair ranks #137,969 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bud vs Bui

Shared letters: bu. Private to "bud": d. Private to "Bui": i.

"bud" · 3 letters · shape CVC  ·  "Bui" · 3 letters · shape CVV

Frequently Asked Questions

Do "bud" and "Bui" mean the same thing in a sentence?
No - they are not even the same part of speech. "bud" is a noun and "Bui" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bud" or "Bui"?
"bud" is the more common of the two: it sits at frequency rank #6,218 in our English list, against #48,638 for "Bui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "bud" and "Bui". Here's where to go from here.

  • Full dictionary entry for "bud" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Bui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #137,969 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bud" and "Bui" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs Bui". Nearby pair

Confusion rank #137,969 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