# HD vs hhh

> English confusable word pair

## The two words

### HD
*noun · frequency rank #4,606*
Initialism of high definition (“1280×720 pixels”).

### hhh
*intj · frequency rank #46,514*
A sigh; indicates distress, discomfort, boredom or confusion.

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