# ERP

> English word · Noun · frequency rank #28,194

## Definitions
1. Initialism of effective radiated power or equivalent radiated power.
2. Initialism of effective refractory period.
3. Initialism of enterprise resource planning.
4. Initialism of equity risk premium.
5. Initialism of erotic roleplay.
6. Initialism of estimated retail price.
7. Initialism of event-related potential.

## Easily confused with
- **ex** (https://plainspell.com/en/vs/erp-vs-ex)
- **et** (https://plainspell.com/en/vs/erp-vs-et)
- **EU** (https://plainspell.com/en/vs/erp-vs-eu)
- **ES** (https://plainspell.com/en/vs/erp-vs-es)
- **EV** (https://plainspell.com/en/vs/erp-vs-ev)
- **ew** (https://plainspell.com/en/vs/erp-vs-ew)
- **ey** (https://plainspell.com/en/vs/erp-vs-ey)
- **ez** (https://plainspell.com/en/vs/erp-vs-ez)
- **eye** (https://plainspell.com/en/vs/erp-vs-eye)
- **eve** (https://plainspell.com/en/vs/erp-vs-eve)
- **est** (https://plainspell.com/en/vs/erp-vs-est)
- **EVA** (https://plainspell.com/en/vs/erp-vs-eva)
- **err** (https://plainspell.com/en/vs/erp-vs-err)
- **eta** (https://plainspell.com/en/vs/erp-vs-eta)
- **ESA** (https://plainspell.com/en/vs/erp-vs-esa)
- **eth** (https://plainspell.com/en/vs/erp-vs-eth)
- **evo** (https://plainspell.com/en/vs/erp-vs-evo)
- **ERS** (https://plainspell.com/en/vs/erp-vs-ers)
- **ESL** (https://plainspell.com/en/vs/erp-vs-esl)
- **ETF** (https://plainspell.com/en/vs/erp-vs-etf)

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