Which to use
“tuff” and “tun” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,499
- “tuff” frequency rank
- #30,265
- “tun” frequency rank
- 59764
- confusion score
Side-by-Side Comparison
| Feature | tuff | tun |
|---|---|---|
| Definition | A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel. | 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 tuff and tun apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
tuff 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 59764, derived from the frequency rank of both members and their visual similarity.
tuff is recorded at frequency rank #29,499, classified as anoun, pronounced /tʌf/. 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 59764, this pair ranks #104,241 of 530,003 scored English confusable pairs - among the most confusable pairs.
Frequency comparison
Frequently Asked Questions
Can "tuff" and "tun" be used interchangeably?
Remembering tuff 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 “tuff” entry
- Browse more pairs most likely to be confused. Most confusable