# UPS vs USD

> English confusable word pair

## The two words

### UPS
*verb · frequency rank #3,591*
To connect a device to an uninterruptible power supply.

### USD
*noun · frequency rank #7,515*
Initialism of unified school district.

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