# curie

> English word · Noun · frequency rank #33,599

## Definitions
1. 3.7×10¹⁰ decays per second, as a unit of radioactivity. Symbol Ci.

## Etymology
Borrowed from French curie. Named after French physicist Pierre Curie (1859–1906).

## Easily confused with
- **cute** (https://plainspell.com/en/vs/curie-vs-cute)
- **curl** (https://plainspell.com/en/vs/curie-vs-curl)
- **curt** (https://plainspell.com/en/vs/curie-vs-curt)
- **curve** (https://plainspell.com/en/vs/curie-vs-curve)
- **curse** (https://plainspell.com/en/vs/curie-vs-curse)
- **curry** (https://plainspell.com/en/vs/curie-vs-curry)
- **curly** (https://plainspell.com/en/vs/curie-vs-curly)
- **Cyril** (https://plainspell.com/en/vs/curie-vs-cyril)
- **cutie** (https://plainspell.com/en/vs/curie-vs-cutie)
- **curvy** (https://plainspell.com/en/vs/curie-vs-curvy)
- **Curtis** (https://plainspell.com/en/vs/curie-vs-curtis)
- **curves** (https://plainspell.com/en/vs/curie-vs-curves)
- **curved** (https://plainspell.com/en/vs/curie-vs-curved)
- **cursed** (https://plainspell.com/en/vs/curie-vs-cursed)
- **curled** (https://plainspell.com/en/vs/curie-vs-curled)
- **curing** (https://plainspell.com/en/vs/curie-vs-curing)
- **curses** (https://plainspell.com/en/vs/curie-vs-curses)
- **currie** (https://plainspell.com/en/vs/curie-vs-currie)
- **Curtin** (https://plainspell.com/en/vs/curie-vs-curtin)
- **Curley** (https://plainspell.com/en/vs/curie-vs-curley)

## Common misspellings (5)
`ccurie`, `cruie`, `cuire`, `curei`, `ucrie`

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