# hard vs HDR

> English confusable word pair

## The two words

### hard
*adjective · IPA /hɑːd/ · frequency rank #273*
Solid and firm.

### HDR
*noun · frequency rank #27,489*
Initialism of hot dry rock.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/hard-vs-hdr