# Isaiah

> English word · Proper noun · IPA /aɪˈzeɪ.ə/ · frequency rank #12,999

## Definitions
1. A book of the Old Testament of the Bible, and of the Tanakh.
2. A prophet, the author of the Book of Isaiah.
3. A male given name from Hebrew.

## Etymology
From Ancient Greek Ἠσαΐας (Ēsaḯas) from Hebrew יְשַׁעְיָהוּ (yəšaʿyā́hū).

## Easily confused with
- **Isaac** (https://plainspell.com/en/vs/isaac-vs-isaiah)

## Common misspellings (7)
`iasiah`, `isaaih`, `isaiahh`, `isaiha`, `isiaah`, `issaiah`, `siaiah`

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