tonne

/tʌn/

//tʌn// noun

By · According to Wiktionary data (CC BY-SA) ·

"tonne" is a 5-letter English headword indexed on PlainSpell.

The verdict

“tonne” sits in 20 confusable pairs (corpus #22,248) as a noun. The look-alike neighbours are the real trap.

#22,248
frequency rank, English
3,151
“T” headwords
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A unit of mass equal to 1000 kilograms.

Corpus desk

Index EN-tonne · tonne · English

tonne · rank #22,248 · 4 variants · 20 confusables

  • FREQ-MID #22,248
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-LOW 4 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH tome

Nearest frequency peer: tome (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbours of confusable “tonne”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “tonne” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

tonne vs town
60% similar
tonne vs Tony
40% similar
tonne vs tons
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for tonne
PropertyValue
Headwordtonne
LanguageEnglish
Part of speechNoun
IPA/tʌn/
Letters5
Frequency rank#22,248
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “tonne”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).tonnelands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “tome” (#22,247), “totalitarian” (#22,249), “tramp” (#22,250). Among 3,151 “T” headwords, “tonne” is #22,248. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for tonne is neighbouring look-alikes ("town", "Tony", …), not just typos; it is anoun pronounced /tʌn/. Frequency #22,248 among 3,151 “T” headwords. Gloss: "A unit of mass equal to 1000 kilograms.".

Our generated misspelling index lists 4 likely wrong-spelling variants for tonne, with forms such as "otnne", "tnone", and "tonen". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "town", "Tony", "tons", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From French tonne. Doublet of ton and tun. The correct English form is tonne, spelled T-O-N-N-E.

Definition

  1. 1
    A unit of mass equal to 1000 kilograms.

Recorded use

Wiktionary examples

These source excerpts show how tonne appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Although loads of up to 900 tonnes could be handled by one of these locomotives, in practice the load is limited to 790 tonnes by drawgear.
  2. The metric ton or 'tonne' is accepted as a synonym for the megagramme, and this form Is to be preferred on the grounds of brevity and familiarity in the industry. It may be as well to use the pronunciation 'tunnie' until the risk of confusion with the old ton has passed.

Etymology

From French tonne. Doublet of ton and tun.

Common misspellings

Also misspelled as:

  • otnne
  • tnone
  • tonen
  • ttonne

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of tonne - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

otnne2tnone2tonen2ttonne1
Edit distance from "tonne"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "tonne"?
"tonne" is spelled T-O-N-N-E. The IPA pronunciation is /tʌn/.
What does "tonne" mean?
As a noun, "tonne" means: A unit of mass equal to 1000 kilograms.
What words are commonly confused with "tonne"?
"tonne" is commonly confused with "town", "Tony", "tons". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "tonne"?
The IPA (International Phonetic Alphabet) transcription for "tonne" is /tʌn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "tonne"?
From French tonne. Doublet of ton and tun. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "tonne", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

tramp#22,250takin#22,242wield#22,267Silas#22,217

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

Source: FrequencyWords open word-frequency list