Which to use
“Tsai” and “Tsui” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #39,620
- “Tsai” frequency rank
- #46,827
- “Tsui” frequency rank
- 86447
- confusion score
Side-by-Side Comparison
| Feature | Tsai | Tsui |
|---|---|---|
| Definition | A surname from Mandarin Chinese. | A surname. |
Letter map: Tsai vs Tsui
Shared letters muted; letters that set Tsai and Tsui apart highlighted. Shared run: 3. Tsai and Tsui follow the identical consonant-vowel pattern (CCVV). Same shape at a glance is often the real trap, independent of shared letters.
Pair insight - Tsai / Tsui
Tsai and Tsui are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - a in “Tsai” becomes u in “Tsui”. Our composite confusion score for this pair is 86447, derived from the frequency rank of both members and their visual similarity.
Tsai is recorded at frequency rank #39,620, classified as aname. Tsui is at rank #46,827, 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 86447, this pair ranks #8,931 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of Tsai vs Tsui
Shared letters: ist. Private to "Tsai": a. Private to "Tsui": u.
"Tsai" · 4 letters · shape CCVV · "Tsui" · 4 letters · shape CCVV
Known mistypes of this pair
Frequently Asked Questions
Can "Tsai" and "Tsui" be used interchangeably?
Frequency check: "Tsai" vs "Tsui" - which ranks higher?
After this comparison
Pair "Tsai" vs "Tsui" is on the table, pick a follow-up below.
- Full dictionary entry for "Tsai" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Tsui" - compare definitions side by side with the headword page. Word entry
- This pair ranks #8,931 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Tsai" and "Tsui" also get mixed up with nearby pairs, the highest-scored neighbour is "TDI vs Tsui". 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 #8,931 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.