# etiology

> English word · Noun · frequency rank #46,449

## Definitions
1. US standard spelling of aetiology.

## Etymology
See origins at aetiology § Etymology. By surface analysis, etio- + -logy.

## Easily confused with
- **etymology** (https://plainspell.com/en/vs/etiology-vs-etymology)
- **ecology** (https://plainspell.com/en/vs/ecology-vs-etiology)
- **ethnology** (https://plainspell.com/en/vs/ethnology-vs-etiology)

## Common misspellings (11)
`eitology`, `etiloogy`, `etiolgoy`, `etiollogy`, `etiologgy`, `etiologyy`, `etioloyg`, `etioolgy`, `etoilogy`, `ettiology`, `teiology`

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