# AGL vs ARP

> English confusable word pair

## The two words

### AGL
*phrase · frequency rank #46,290*
Initialism of above ground level: designating a measured distance from the ground to a higher level, i.e. altitude.

### ARP
*noun · frequency rank #41,514*
Initialism of absolute refractory period.

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