ThunvstunWhat's the difference?

Quick tell: Thun is a name, tun is a noun, so they fill different roles in a sentence.

Which to use

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

#47,962
“Thun” frequency rank
#30,265
“tun” frequency rank
78227
confusion score

Side-by-Side Comparison

Feature Thun tun
Definition A city and municipality of Bern canton, Switzerland. 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: Thun vs tun

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

4 ch
Thun
3 ch
tun

Grammar separator: Thun vs tun

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Thun is aname and tunanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 78227, derived from the frequency rank of both members and their visual similarity.

Thun is recorded at frequency rank #47,962, 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 78227, this pair ranks #25,137 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Thun vs tun

Shared letters: ntu. Private to "Thun": h. Private to "tun": -.

"Thun" · 4 letters · shape CCVC  ·  "tun" · 3 letters · shape CVC

Known mistypes of this pair

  • Thun ← htun · thhun · thnu · thunn · tthun · tuhn

Frequently Asked Questions

Do "Thun" and "tun" mean the same thing in a sentence?
No - they are not even the same part of speech. "Thun" is a name and "tun" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Thun" or "tun" show up more?
"tun" is the more common of the two: it sits at frequency rank #30,265 in our English list, against #47,962 for "Thun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "Thun" vs "tun" is on the table, pick a follow-up below.

  • Full dictionary entry for "Thun" 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 #25,137 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Thun" and "tun" also get mixed up with nearby pairs, the highest-scored neighbour is "Thun vs thunk". 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 #25,137 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