# APM vs atom

> English confusable word pair

## The two words

### APM
*noun · frequency rank #46,909*
Initialism of arbitrage pricing model.

### atom
*noun · IPA /ˈætəm/ · frequency rank #10,813*
The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/apm-vs-atom