# agar vs ATA

> English confusable word pair

## The two words

### agar
*noun · IPA /ˈeɪ.ɡə/ · frequency rank #28,103*
A gelatinous substance obtained from red algae, especially Gracilaria species, used as a bacterial culture medium, in electrophoresis and as a food additive.

### ATA
*noun · frequency rank #27,369*
Advanced Technology Attachment; a computer bus technology primarily designed for transfer of data to and from a hard disk. (Renamed PATA when SATA came into existence to more clearly distinguish the two.)

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