TOIvsTsuiTell them apart

Which to use

“TOI” and “Tsui” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#32,212
“TOI” frequency rank
#46,827
“Tsui” frequency rank
79039
confusion score

Side-by-Side Comparison

Feature TOI Tsui
Definition Initialism of The Times of India, an Indian newspaper. A surname.

Letter map: TOI vs Tsui

Shared letters muted; letters that set TOI and Tsui apart highlighted. Shared run: 2. TOI runs 3 letters (CVV) against Tsui's 4 (CCVV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
TOI
4 ch
Tsui

Spelling & dictionary notes on TOI vs Tsui

TOI 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 1 letter(s) in length. Our composite confusion score for this pair is 79039, derived from the frequency rank of both members and their visual similarity.

TOI is recorded at frequency rank #32,212, 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 79039, this pair ranks #23,097 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of TOI vs Tsui

Shared letters: it. Private to "TOI": o. Private to "Tsui": su.

"TOI" · 3 letters · shape CVV  ·  "Tsui" · 4 letters · shape CCVV

Known mistypes of this pair

  • Tsui ← stui · tsiu · tssui · ttsui · tusi

Frequently Asked Questions

Is swapping "TOI" for "Tsui" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "TOI" or "Tsui"?
"TOI" is the more common of the two: it sits at frequency rank #32,212 in our English list, against #46,827 for "Tsui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "TOI" and "Tsui". Here's where to go from here.

  • Full dictionary entry for "TOI" 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 #23,097 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "TOI" 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 #23,097 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