# Seri vs serum

> English confusable word pair

## The two words

### Seri
*noun · frequency rank #41,376*
A member of an indigenous group of Sonora, Mexico.

### 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/seri-vs-serum