tobevstonneWhat's the difference?

Which to use

“tobe” and “tonne” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#49,100
“tobe” frequency rank
#22,248
“tonne” frequency rank
71348
confusion score

Side-by-Side Comparison

Feature tobe tonne
Definition A cotton garment worn in parts of northern Africa. A unit of mass equal to 1000 kilograms.

Where the eye mixes tobe and tonne

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. tobe runs 4 letters (CVCV) against tonne's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
tobe
5 ch
tonne

Look-alike desk: tobe vs tonne

A purely visual mix-up. tobe (/təʊb/) and tonne (/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 71348, derived from the frequency rank of both members and their visual similarity.

tobe is recorded at frequency rank #49,100, classified as anoun, pronounced /təʊb/. tonne is at rank #22,248, 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 71348, this pair ranks #47,085 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of tobe vs tonne

Shared letters: eot. Private to "tobe": b. Private to "tonne": n.

"tobe" · 4 letters · shape CVCV  ·  "tonne" · 5 letters · shape CVCCV

Known mistypes of this pair

  • tobe ← otbe · tboe · tobbe · toeb · ttobe
  • tonne ← otnne · tnone · tonen · ttonne

Frequently Asked Questions

Is swapping "tobe" for "tonne" ever safe?
No. They are said differently (/təʊb/ versus /tʌn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "tobe" vs "tonne" - which ranks higher?
"tonne" is the more common of the two: it sits at frequency rank #22,248 in our English list, against #49,100 for "tobe". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "tobe" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tonne" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #47,085 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tobe" and "tonne" also get mixed up with nearby pairs, the highest-scored neighbour is "tobe vs Toth". 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 #47,085 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