tonvsWhich spelling fits?

Quick tell: ton is a noun, is a pronoun, so they fill different roles in a sentence.

Which to use

“ton” is a noun and “tú” is a pronoun - they look or sound alike but fill different roles in a sentence.

#21,515
“ton” frequency rank
#310
“tú” frequency rank
21825
confusion score

Side-by-Side Comparison

Feature ton
Definition Apócope de tono, que solo tiene uso en las frases familiares "sin ton ni son" y "sin ton y sin son", que significan: sin motivo, ocasión o causa, o fuera de orden y medida. También suele decirse alguna vez: ¿A qué ton o a qué son viene eso? Nominativo y vocativo del pronombre personal de la segunda persona del singular.

Where the eye mixes ton and tú

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
ton
2 ch
tú

Visual trap between ton and tú

These two trip readers on the page rather than in the ear: ton is [ˈt̪õn] while is [ˈt̪u]. 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 (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 21825, derived from the frequency rank of both members and their visual similarity.

ton is recorded at frequency rank #21,515, classified as anoun, pronounced [ˈt̪õn]. is at rank #310, tagged as apron, pronounced [ˈt̪u].

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 21825, this pair ranks #253,176 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ton vs tú

Shared letters: t. Private to "ton": no. Private to "tú": ú.

"ton" · 3 letters · shape CVC  ·  "tú" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "ton" for "tú" ever safe?
No - they are not even the same part of speech. "ton" is a noun and "tú" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "ton" or "tú" show up more?
"tú" is the more common of the two: it sits at frequency rank #310 in our Spanish list, against #21,515 for "ton". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ton" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tú" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #253,176 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ton" and "tú" also get mixed up with nearby pairs, the highest-scored neighbour is "ton vs toys". Nearby pair

Confusion rank #253,176 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list