# spleen vs sullen

> English confusable word pair

## The two words

### spleen
*noun · IPA /spliːn/ · frequency rank #24,321*
In vertebrates, including humans, a ductless vascular gland, located in the left upper abdomen near the stomach, which destroys old red blood cells, removes debris from the bloodstream, acts as a reservoir of blood, and produces lymphocytes.

### sullen
*adjective · IPA /ˈsʌlən/ · frequency rank #41,399*
Having a brooding ill temper; sulky.

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