thinvsThunWhat's the difference?

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

Which to use

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

#3,200
“thin” frequency rank
#47,962
“Thun” frequency rank
51162
confusion score

Side-by-Side Comparison

Feature thin Thun
Definition Having little thickness or extent from one surface to its opposite. A city and municipality of Bern canton, Switzerland.

Letter map: thin vs Thun

Shared letters muted; letters that set thin and Thun apart highlighted. Shared run: 3.

4 ch
thin
4 ch
Thun

Role in the sentence - thin and Thun

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: thin is anadjective and Thunaname. On the page they differ by a single letter - i in “thin” becomes u in “Thun”. Our composite confusion score for this pair is 51162, derived from the frequency rank of both members and their visual similarity.

thin is recorded at frequency rank #3,200, classified as anadj, pronounced /θɪn/. Thun is at rank #47,962, 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 51162, this pair ranks #167,857 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thin vs Thun

Shared letters: hnt. Private to "thin": i. Private to "Thun": u.

"thin" · 4 letters · shape CCVC  ·  "Thun" · 4 letters · shape CCVC

Known mistypes of this pair

  • thinhtin · thhin · thinn · thni · tihn · tthin
  • Thunhtun · thhun · thnu · thunn · tthun · tuhn

Frequently Asked Questions

Can "thin" and "Thun" be used interchangeably?
No - they are not even the same part of speech. "thin" is an adjective and "Thun" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "thin" or "Thun"?
"thin" is the more common of the two: it sits at frequency rank #3,200 in our English list, against #47,962 for "Thun". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "thin" and "Thun". Here's where to go from here.

  • Full dictionary entry for "thin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Thun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #167,857 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "thin" and "Thun" 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 #167,857 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