# HPA

> English word · Adjective · frequency rank #37,030

## Definitions
1. Initialism of hypothalamic-pituitary-adrenal.

## Easily confused with
- **HR** (https://plainspell.com/en/vs/hpa-vs-hr)
- **HQ** (https://plainspell.com/en/vs/hpa-vs-hq)
- **Hu** (https://plainspell.com/en/vs/hpa-vs-hu)
- **hv** (https://plainspell.com/en/vs/hpa-vs-hv)
- **huh** (https://plainspell.com/en/vs/hpa-vs-huh)
- **hug** (https://plainspell.com/en/vs/hpa-vs-hug)
- **hub** (https://plainspell.com/en/vs/hpa-vs-hub)
- **hut** (https://plainspell.com/en/vs/hpa-vs-hut)
- **hum** (https://plainspell.com/en/vs/hpa-vs-hum)
- **hue** (https://plainspell.com/en/vs/hpa-vs-hue)
- **hun** (https://plainspell.com/en/vs/hpa-vs-hun)
- **HUD** (https://plainspell.com/en/vs/hpa-vs-hud)
- **hwy** (https://plainspell.com/en/vs/hpa-vs-hwy)
- **hua** (https://plainspell.com/en/vs/hpa-vs-hua)
- **hye** (https://plainspell.com/en/vs/hpa-vs-hye)
- **hui** (https://plainspell.com/en/vs/hpa-vs-hui)
- **HPV** (https://plainspell.com/en/vs/hpa-vs-hpv)
- **HRC** (https://plainspell.com/en/vs/hpa-vs-hrc)
- **Hsu** (https://plainspell.com/en/vs/hpa-vs-hsu)
- **Hur** (https://plainspell.com/en/vs/hpa-vs-hur)

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