# Ac vs Ah

> German confusable word pair

## The two words

### Ac
*abbrev · frequency rank #6,033*
chemisches Zeichen für Actinium

### Ah
*abbrev · frequency rank #1,836*
Amperestunde

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