# sod vs su

> English confusable word pair

## The two words

### sod
*noun · IPA /sɒd/ · frequency rank #21,072*
The stratum of the surface of the soil which is filled with the roots of grass, or any portion of that surface; turf; sward.

### su
*noun · frequency rank #8,094*
Alternative form of xu (“former Vietnamese currency”).

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