TarnvstonWhat's the difference?

Quick tell: Tarn is a name, ton is a determiner, so they fill different roles in a sentence.

Which to use

“Tarn” is a name and “ton” is a determiner - they look or sound alike but fill different roles in a sentence.

#11,491
“Tarn” frequency rank
#127
“ton” frequency rank
11618
confusion score

Side-by-Side Comparison

Feature Tarn ton
Definition Rivière du sud-ouest de la France, affluent de la Garonne. Déterminant possessif dont le possesseur est la deuxième personne du singulier et le possédé est masculin singulier.

Where the eye mixes Tarn and ton

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Tarn
3 ch
ton

Why the eye confuses Tarn with ton

These two trip readers on the page rather than in the ear: Tarn is \taʁn\ while ton is \tɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs determiner), which is usually the fastest check. Our composite confusion score for this pair is 11618, derived from the frequency rank of both members and their visual similarity.

Tarn is recorded at frequency rank #11,491, classified as aname, pronounced \taʁn\. ton is at rank #127, tagged as adet, pronounced \tɔ̃\.

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 11618, this pair ranks #408,470 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

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

  • Tarnatrn · tanr · tarnn · tarrn · tran · ttarn

Frequently Asked Questions

Is swapping "Tarn" for "ton" ever safe?
No - they are not even the same part of speech. "Tarn" is a name and "ton" a determiner, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Tarn" or "ton"?
"ton" is the more common of the two: it sits at frequency rank #127 in our French list, against #11,491 for "Tarn". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 #408,470 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Tarn" and "ton" also get mixed up with nearby pairs, the highest-scored neighbour is "Tarn vs turf". 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 #408,470 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list