Tu vs tun, What's the Difference?

Which to use

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

#10,301
“Tu” frequency rank: #30,265
“tun” frequency rank: 40566
confusion score

Side-by-Side Comparison

Feature	Tu	tun
Definition	A surname from Chinese.	A large cask; an oblong vessel bulging in the middle, like a pipe or puncheon, and girt with hoops; a wine cask. (See a diagram comparing cask sizes.)

Letter map: Tu vs tun

Shared letters muted; letters that set Tu and tun apart highlighted. Shared run: 2.

2 ch

3 ch

tun

Grammar separator: Tu vs tun

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Tu is aname and tunanoun. On the page they differ by 1 extra letter(s) - “Tu” sits inside “tun”. Our composite confusion score for this pair is 40566, derived from the frequency rank of both members and their visual similarity.

Tu is recorded at frequency rank #10,301, classified as aname. tun is at rank #30,265, tagged as anoun, pronounced /tʌn/.

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 40566, this pair ranks #266,391 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Tu vs tun

Shared letters: tu. Private to "Tu": -. Private to "tun": n.

"Tu" · 2 letters · shape CV · "tun" · 3 letters · shape CVC

Frequently Asked Questions

Do "Tu" and "tun" mean the same thing in a sentence?

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

Frequency check: "Tu" vs "tun" - which ranks higher?

"Tu" is the more common of the two: it sits at frequency rank #10,301 in our English list, against #30,265 for "tun". 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 "Tu" and "tun".

Full dictionary entry for "Tu" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "tun" - compare definitions side by side with the headword page. Word entry
This pair ranks #266,391 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"Tu" and "tun" also get mixed up with nearby pairs, the highest-scored neighbour is "tuft vs tun". Nearby pair

Confusion rank #266,391 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.