# DSI vs dug

> English confusable word pair

## The two words

### DSI
*noun · IPA /diː ɛs aɪ/ · frequency rank #47,027*
Initialism of diffused surface illumination.

### dug
*verb · IPA /dʌɡ/ · frequency rank #8,784*
simple past and past participle of dig (replacing earlier digged)

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