# then vs ton

> English confusable word pair

## The two words

### then
*adverb · IPA /ðɛn/ · frequency rank #91*
At that time.

### ton
*noun · IPA /tʌn/ · frequency rank #4,419*
Any of various units of mass, originally notionally equal to the contents of a tun

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/then-vs-ton