# aha

> English word · Interjection · IPA /ɑːhɑː/ · frequency rank #13,653

## Definitions
1. An exclamation of understanding, realization, invention, or recognition.
2. An exclamation of surprise, exaltation, or contempt.

## Etymology
From Middle English a ha, aha, natural expression. Equivalent to ah + ha!.

## Easily confused with
- **as** (https://plainspell.com/en/vs/aha-vs-as)
- **at** (https://plainspell.com/en/vs/aha-vs-at)
- **an** (https://plainspell.com/en/vs/aha-vs-an)
- **AM** (https://plainspell.com/en/vs/aha-vs-am)
- **AL** (https://plainspell.com/en/vs/aha-vs-al)
- **AP** (https://plainspell.com/en/vs/aha-vs-ap)
- **ai** (https://plainspell.com/en/vs/aha-vs-ai)
- **aw** (https://plainspell.com/en/vs/aha-vs-aw)
- **AR** (https://plainspell.com/en/vs/aha-vs-ar)
- **AU** (https://plainspell.com/en/vs/aha-vs-au)
- **AK** (https://plainspell.com/en/vs/aha-vs-ak)
- **AZ** (https://plainspell.com/en/vs/aha-vs-az)
- **av** (https://plainspell.com/en/vs/aha-vs-av)
- **ay** (https://plainspell.com/en/vs/aha-vs-ay)
- **ao** (https://plainspell.com/en/vs/aha-vs-ao)
- **ax** (https://plainspell.com/en/vs/aha-vs-ax)
- **and** (https://plainspell.com/en/vs/aha-vs-and)
- **are** (https://plainspell.com/en/vs/aha-vs-are)
- **all** (https://plainspell.com/en/vs/aha-vs-all)
- **any** (https://plainspell.com/en/vs/aha-vs-any)

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