# contagion vs contagious

> English confusable word pair

## The two words

### contagion
*noun · IPA /kənˈteɪd͡ʒən/ · frequency rank #27,788*
A disease spread by contact.

### contagious
*adjective · IPA /kənˈteɪdʒəs/ · frequency rank #13,312*
Easily transmitted to others.

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