# acetyl

> English word · Noun · IPA /əˈsiːtaɪl/ · frequency rank #40,538

## Definitions
1. The univalent radical CH₃CO- derived from acetic acid.

## Etymology
From Latin acētum (“vinegar”) + Ancient Greek ὕλη (húlē, “substance”).

## Easily confused with
- **acetic** (https://plainspell.com/en/vs/acetic-vs-acetyl)

## Common misspellings (9)
`accetyl`, `acetly`, `acettyl`, `acetyll`, `acetyyl`, `aceytl`, `acteyl`, `aectyl`, `caetyl`

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