bis vs Bui, What's the Difference?

Which to use

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

#18,497
“bis” frequency rank: #48,638
“Bui” frequency rank: 67135
confusion score

Side-by-Side Comparison

Feature	bis	Bui
Definition	plural of bi	A surname.

Letter map: bis vs Bui

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

3 ch

bis

3 ch

Bui

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bis is anoun and Buianame. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 67135, derived from the frequency rank of both members and their visual similarity.

bis is recorded at frequency rank #18,497, classified as anoun, pronounced /baɪz/. 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 67135, this pair ranks #64,747 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of bis vs Bui

Shared letters: bi. Private to "bis": s. Private to "Bui": u.

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

Frequently Asked Questions

Can "bis" and "Bui" be used interchangeably?

No - they are not even the same part of speech. "bis" is a noun and "Bui" a name, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "bis" or "Bui"?

"bis" is the more common of the two: it sits at frequency rank #18,497 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 "bis" and "Bui". Here's where to go from here.

Full dictionary entry for "bis" 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 #64,747 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"bis" and "Bui" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs Bui". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.