# DDT vs did

> English confusable word pair

## The two words

### DDT
*noun · frequency rank #32,758*
Abbreviation of dichlorodiphenyltrichloroethane, compound originally developed as an insecticide.

### did
*verb · IPA /dɪd/ · frequency rank #114*
simple past of do

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