# here's vs herein

> English confusable word pair

## The two words

### here's
*contraction · IPA /hɪɹz/ · frequency rank #1,307*
Contraction of here + is.

### herein
*adverb · IPA /hɪɹˈɪn/ · frequency rank #11,897*
In this; within this content, context, or thing.

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