# happen vs harden

> English confusable word pair

## The two words

### happen
*verb · IPA /ˈhæpən/ · frequency rank #654*
To occur or take place.

### harden
*verb · IPA /ˈhɑɹdn̩/ · frequency rank #14,554*
To become hard.

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