# E1 vs EP

> English confusable word pair

## The two words

### E1
*name · frequency rank #30,404*
An area of the Israeli-occupied West Bank located between Jerusalem and the Israeli settlement of Ma'ale Adumim.

### EP
*noun · frequency rank #5,033*
Initialism of extreme pressure, an indicator used in lubricant additives.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/e1-vs-ep