# ob vs on

> Spanish confusable word pair

## The two words

### ob
*conjunction · IPA [ɔp] · frequency rank #30,601*
Si.

### on
*num · IPA [ˈon] · frequency rank #1,908*
Diez.

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