true vs Tsu, What's the Difference?

Which to use

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

#393
“true” frequency rank: #43,976
“Tsu” frequency rank: 44369
confusion score

Side-by-Side Comparison

Feature	true	Tsu
Definition	Conforming to the actual state of reality or fact; factually correct.	The capital city of Mie Prefecture, Japan.

Letter map: true vs Tsu

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

4 ch

true

3 ch

Tsu

Role in the sentence - true and Tsu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: true is anadjective and Tsuaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44369, derived from the frequency rank of both members and their visual similarity.

true is recorded at frequency rank #393, classified as anadj, pronounced /tɹuː/. 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 44369, this pair ranks #231,208 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of true vs Tsu

Shared letters: tu. Private to "true": er. Private to "Tsu": s.

"true" · 4 letters · shape CCVV · "Tsu" · 3 letters · shape CCV

Known mistypes of this pair

true ← rtue · treu · trrue · ttrue · ture

Frequently Asked Questions

Can "true" and "Tsu" be used interchangeably?

No - they are not even the same part of speech. "true" is an adjective and "Tsu" a name, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "true" or "Tsu"?

"true" is the more common of the two: it sits at frequency rank #393 in our English list, against #43,976 for "Tsu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "true" and "Tsu". Here's where to go from here.

Full dictionary entry for "true" 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 #231,208 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"true" and "Tsu" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs Tsu". 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 #231,208 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.