# kappa

> English word · Noun · IPA /ˈkæpə/ · frequency rank #15,847

## Definitions
1. The tenth letter of the Greek alphabet.
2. A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset.

## Etymology
Learned borrowing from Ancient Greek κάππα (káppa), ultimately from Proto-Semitic *kapp- (“palm, hand”). Doublet of kaph.

## Easily confused with
- **kara** (https://plainspell.com/en/vs/kappa-vs-kara)
- **kaya** (https://plainspell.com/en/vs/kappa-vs-kaya)
- **kata** (https://plainspell.com/en/vs/kappa-vs-kata)
- **Karp** (https://plainspell.com/en/vs/kappa-vs-karp)
- **karma** (https://plainspell.com/en/vs/kappa-vs-karma)
- **Kayla** (https://plainspell.com/en/vs/kappa-vs-kayla)
- **Knapp** (https://plainspell.com/en/vs/kappa-vs-knapp)
- **Katya** (https://plainspell.com/en/vs/kappa-vs-katya)
- **kana** (https://plainspell.com/en/vs/kana-vs-kappa)
- **Kala** (https://plainspell.com/en/vs/kala-vs-kappa)
- **kama** (https://plainspell.com/en/vs/kama-vs-kappa)
- **kaka** (https://plainspell.com/en/vs/kaka-vs-kappa)
- **Kafka** (https://plainspell.com/en/vs/kafka-vs-kappa)
- **Kaplan** (https://plainspell.com/en/vs/kaplan-vs-kappa)

## Common misspellings (5)
`akppa`, `kapa`, `kapap`, `kkappa`, `kpapa`

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