Which to use
“tarn” and “ton” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,370
- “tarn” frequency rank
- #4,419
- “ton” frequency rank
- 51789
- confusion score
Side-by-Side Comparison
| Feature | tarn | ton |
|---|---|---|
| Definition | A small mountain lake, especially in Northern England. | Any of various units of mass, originally notionally equal to the contents of a tun |
Where the eye mixes tarn and ton
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. tarn runs 4 letters (CVCC) against ton's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses tarn with ton
A purely visual mix-up. tarn (/tɑːn/) and ton (/tʌn/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 51789, derived from the frequency rank of both members and their visual similarity.
tarn is recorded at frequency rank #47,370, classified as anoun, pronounced /tɑːn/. ton is at rank #4,419, 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 51789, this pair ranks #162,490 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tarn vs ton
Shared letters: nt. Private to "tarn": ar. Private to "ton": o.
"tarn" · 4 letters · shape CVCC · "ton" · 3 letters · shape CVC
Known mistypes of this pair
- tarn ← atrn · tanr · tarnn · tarrn · ttarn
Frequently Asked Questions
Is swapping "tarn" for "ton" ever safe?
Which is more common, "tarn" or "ton"?
What to do next
Eye-level mix-up between "tarn" and "ton" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "tarn" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ton" - compare definitions side by side with the headword page. Word entry
- This pair ranks #162,490 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "tarn" and "ton" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs tarn". 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 #162,490 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.