tonvsTuWhich spelling fits?

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

Which to use

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

#4,419
“ton” frequency rank
#10,301
“Tu” frequency rank
14720
confusion score

Side-by-Side Comparison

Feature ton Tu
Definition Any of various units of mass, originally notionally equal to the contents of a tun A surname from Chinese.

Letter map: ton vs Tu

Shared letters muted; letters that set ton and Tu apart highlighted. Shared run: 1.

3 ch
ton
2 ch
Tu

Part-of-speech tell for ton / Tu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ton is anoun and Tuaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 14720, derived from the frequency rank of both members and their visual similarity.

ton is recorded at frequency rank #4,419, classified as anoun, pronounced /tʌn/. Tu is at rank #10,301, tagged as aname.

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 14720, this pair ranks #468,364 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ton vs Tu

Shared letters: t. Private to "ton": no. Private to "Tu": u.

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

Frequently Asked Questions

Is swapping "ton" for "Tu" ever safe?
No - they are not even the same part of speech. "ton" is a noun and "Tu" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "ton" or "Tu" show up more?
"ton" is the more common of the two: it sits at frequency rank #4,419 in our English list, against #10,301 for "Tu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "ton" vs "Tu" is on the table, pick a follow-up below.

  • Full dictionary entry for "ton" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Tu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #468,364 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ton" and "Tu" also get mixed up with nearby pairs, the highest-scored neighbour is "Tu vs tuft". Nearby pair

Confusion rank #468,364 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list