# WhatsApp

> English word · Proper noun · frequency rank #13,841

## Definitions
1. An instant messaging service founded in 2009 and acquired by Facebook in 2014.

## Etymology
Blend of what's up + app, coined as a trademark.

## Common misspellings (11)
`hwatsapp`, `wahtsapp`, `whastapp`, `whataspp`, `whatsap`, `whatspap`, `whatssapp`, `whattsapp`, `whhatsapp`, `whtasapp`, `wwhatsapp`

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