# steep vs STP

> English confusable word pair

## The two words

### steep
*adjective · IPA /stiːp/ · frequency rank #7,292*
Of a near-vertical gradient; of a slope, surface, curve, etc. that proceeds upward at an angle near vertical.

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

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