# where'd vs wherein

> English confusable word pair

## The two words

### where'd
*contraction · IPA /wɛəd/ · frequency rank #27,027*
Contraction of where + had.

### wherein
*adverb · IPA /wɛˈɹɪn/ · frequency rank #9,986*
How, or in what way.

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