# one's vs onus

> English confusable word pair

## The two words

### one's
*determiner · IPA /wʌnz/ · frequency rank #3,711*
Belonging to one.

### onus
*noun · IPA /ˈəʊnəs/ · frequency rank #29,402*
A legal obligation.

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