# dob vs dud

> English confusable word pair

## The two words

### dob
*verb · IPA /dɑb/ · frequency rank #44,170*
To report a person to someone in authority for a wrongdoing. (For transitive forms see dob in, dob on.)

### dud
*noun · IPA /dʌd/ · frequency rank #29,251*
A device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile.

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