# soap vs SP

> English confusable word pair

## The two words

### soap
*noun · IPA /soʊp/ · frequency rank #5,367*
A metallic salt derived from a fatty acid, commonly used in cleaning products.

### SP
*noun · frequency rank #6,839*
Initialism of starting price.

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