# HPA vs hwy

> English confusable word pair

## The two words

### HPA
*adjective · frequency rank #37,030*
Initialism of hypothalamic-pituitary-adrenal.

### hwy
*noun · frequency rank #20,137*
Abbreviation of highway.

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