tskvsTsuWhich spelling fits?

Quick tell: tsk is a intj, Tsu is a name, so they fill different roles in a sentence.

Which to use

“tsk” is an intj and “Tsu” is a name - they look or sound alike but fill different roles in a sentence.

#28,765
“tsk” frequency rank
#43,976
“Tsu” frequency rank
72741
confusion score

Side-by-Side Comparison

Feature tsk Tsu
Definition An exclamation of disapproval, disappointment or discontent. The capital city of Mie Prefecture, Japan.

Letter map: tsk vs Tsu

Shared letters muted; letters that set tsk and Tsu apart highlighted. Shared run: 2.

3 ch
tsk
3 ch
Tsu

Part-of-speech tell for tsk / Tsu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: tsk is anintj and Tsuaname. On the page they differ by a single letter - k in “tsk” becomes u in “Tsu”. Our composite confusion score for this pair is 72741, derived from the frequency rank of both members and their visual similarity.

tsk is recorded at frequency rank #28,765, classified as anintj, pronounced /ˈtɪsk/. Tsu is at rank #43,976, 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 72741, this pair ranks #42,018 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of tsk vs Tsu

Shared letters: st. Private to "tsk": k. Private to "Tsu": u.

"tsk" · 3 letters · shape CCC  ·  "Tsu" · 3 letters · shape CCV

Frequently Asked Questions

Do "tsk" and "Tsu" mean the same thing in a sentence?
No - they are not even the same part of speech. "tsk" is an intj and "Tsu" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "tsk" or "Tsu" show up more?
"tsk" is the more common of the two: it sits at frequency rank #28,765 in our English list, against #43,976 for "Tsu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "tsk" and "Tsu".

  • Full dictionary entry for "tsk" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Tsu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #42,018 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tsk" and "Tsu" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs Tsu". Nearby pair

Confusion rank #42,018 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