ternvsThunWhat's the difference?

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

Which to use

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

#40,923
“tern” frequency rank
#47,962
“Thun” frequency rank
88885
confusion score

Side-by-Side Comparison

Feature tern Thun
Definition Any of various seabirds of the subfamily Sterninae (of the family Laridae) that are similar to gulls but are smaller and have a forked tail. A city and municipality of Bern canton, Switzerland.

Where the spellings diverge

Shared letters are muted; the letters that actually set tern and Thun apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
tern
4 ch
Thun

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: tern is anoun and Thunaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 88885, derived from the frequency rank of both members and their visual similarity.

tern is recorded at frequency rank #40,923, classified as anoun, pronounced /tɜːn/. 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 88885, this pair ranks #5,789 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of tern vs Thun

Shared letters: nt. Private to "tern": er. Private to "Thun": hu.

"tern" · 4 letters · shape CVCC  ·  "Thun" · 4 letters · shape CCVC

Known mistypes of this pair

  • ternetrn · tenr · ternn · terrn · tren · ttern
  • Thunhtun · thhun · thnu · thunn · tthun · tuhn

Frequency comparison

tern#40,923
Thun#47,962

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "tern" and "Thun" be used interchangeably?
No - they are not even the same part of speech. "tern" is a noun and "Thun" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "tern" or "Thun"?
"tern" is the more common of the two: it sits at frequency rank #40,923 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.

Remembering tern vs Thun

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “tern”; for a name, it's “Thun”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “tern” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list