# AD vs APL

> English confusable word pair

## The two words

### AD
*adverb · IPA /ˌeɪˈdi/ · frequency rank #1,779*
Initialism of Anno Domini (borrowed from Latin); in the year of our Lord.

### APL
*noun · frequency rank #48,593*
Initialism of acute promyelocytic leukemia.

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