Which to use
“tern” and “tun” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #40,923
- “tern” frequency rank
- #30,265
- “tun” frequency rank
- 71188
- confusion score
Side-by-Side Comparison
| Feature | tern | tun |
|---|---|---|
| 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 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.) |
Where the spellings diverge
Shared letters are muted; the letters that actually set tern and tun apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
tern and tun form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 71188, 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/. 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 71188, this pair ranks #47,669 of 530,003 scored English confusable pairs - among the most confusable pairs.
Frequency comparison
Frequently Asked Questions
Can "tern" and "tun" be used interchangeably?
Remembering tern vs tun
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- 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