# AIS vs APL

> English confusable word pair

## The two words

### AIS
*noun · IPA /ˈeɪ ˈaɪ ˈɛs/ · frequency rank #26,670*
Initialism of automatic identification system, as an element of the Global Marine Distress and Safety System GMDSS.

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

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