# aspirin

> English word · Noun · IPA /ˈæsp(ɪ)ɹɪn/ · frequency rank #18,487

## Definitions
1. an analgesic drug, acetylsalicylic acid
2. a tablet containing this substance

## Etymology
Genericized trademark of German Aspirin, from acetylierte Spirsäure (literally “acetylated spiraeic acid”). The trade name Aspirin is a registered trademark in some countries, but has entered the English language in generic usage, as various German trademarks were nullified in the United States after World War I (see also heroin).

## Easily confused with
- **aspiring** (https://plainspell.com/en/vs/aspirin-vs-aspiring)
- **aspire** (https://plainspell.com/en/vs/aspire-vs-aspirin)
- **aspirant** (https://plainspell.com/en/vs/aspirant-vs-aspirin)

## Common misspellings (10)
`apsirin`, `asiprin`, `aspiirn`, `aspirinn`, `aspirni`, `aspirrin`, `asppirin`, `aspriin`, `asspirin`, `sapirin`

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