# STP vs supp

> English confusable word pair

## The two words

### STP
*noun · frequency rank #39,586*
Initialism of sewage treatment plant.

### supp
*noun · frequency rank #33,869*
A support (in a competitive video game, a player or character who supports or heals their team's players rather than directly engaging enemies).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/stp-vs-supp