# ADR vs amb

> English confusable word pair

## The two words

### ADR
*noun · IPA /eɪ di ˈɑɹ/ · frequency rank #35,173*
Initialism of adverse drug reaction.

### amb
*noun · frequency rank #49,761*
The outline of a spore or pollen grain, as seen in a polar view.

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