# A4 vs AK

> English confusable word pair

## The two words

### A4
*name · frequency rank #18,471*
A4 class, a class of steam locomotive used on the London and North Eastern Railway.

### AK
*noun · frequency rank #10,642*
an AK-47, AK-74, or related assault rifle (Avtomat Kalasnikova or Kalashnikov)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/a4-vs-ak