# CEA vs chem

> English confusable word pair

## The two words

### CEA
*name · frequency rank #43,561*
Initialism of Centre for Effective Altruism.

### chem
*noun · IPA /kɛm/ · frequency rank #15,774*
Clipping of chemistry (“branch of natural science”), usually referring to the subject or the department.

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