# ache vs aha

> English confusable word pair

## The two words

### ache
*verb · IPA /ˈeɪk/ · frequency rank #16,397*
To suffer pain; to be the source of, or be in, pain, especially continued dull pain; to be distressed.

### aha
*intj · IPA /ɑːhɑː/ · frequency rank #13,653*
An exclamation of understanding, realization, invention, or recognition.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/ache-vs-aha