# Seoul vs serum

> English confusable word pair

## The two words

### Seoul
*name · IPA /səʊl/ · frequency rank #7,975*
The capital city of South Korea, also the historical capital of Korea from 1394 until the country was divided in 1945.

### serum
*noun · IPA /ˈsɪəɹəm/ · frequency rank #10,609*
Ellipsis of blood serum.

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