# arson vs ASO

> English confusable word pair

## The two words

### arson
*noun · IPA /ˈɑɹsən/ · frequency rank #17,076*
The crime of deliberately starting a fire with intent to cause damage.

### ASO
*noun · frequency rank #39,192*
Abbreviation of anti-streptolysin O.

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