# senna

> English word · Noun · IPA /ˈsɛnə/ · frequency rank #31,341

## Definitions
1. Any of several plants of the tribe Cassieae, especially those of the genera Cassia and Senna, whose leaves and pods are used as a purgative and laxative.
2. The dried leaves or pods of these plants (especially of Senna alexandrina, syn. Cassia angustifolia or Cassia acutifolia), used medicinally.
3. Senna glycoside, a laxative.

## Etymology
From Arabic سَنَا (sanā, “senna”).

## Easily confused with
- **SNA** (https://plainspell.com/en/vs/senna-vs-sna)
- **sent** (https://plainspell.com/en/vs/senna-vs-sent)
- **sens** (https://plainspell.com/en/vs/senna-vs-sens)
- **sewn** (https://plainspell.com/en/vs/senna-vs-sewn)
- **Sera** (https://plainspell.com/en/vs/senna-vs-sera)
- **Sina** (https://plainspell.com/en/vs/senna-vs-sina)
- **sona** (https://plainspell.com/en/vs/senna-vs-sona)
- **sense** (https://plainspell.com/en/vs/senna-vs-sense)
- **sunny** (https://plainspell.com/en/vs/senna-vs-sunny)
- **sonny** (https://plainspell.com/en/vs/senna-vs-sonny)
- **Sonia** (https://plainspell.com/en/vs/senna-vs-sonia)
- **Sunni** (https://plainspell.com/en/vs/senna-vs-sunni)
- **Sonya** (https://plainspell.com/en/vs/senna-vs-sonya)
- **Siena** (https://plainspell.com/en/vs/senna-vs-siena)
- **Sonja** (https://plainspell.com/en/vs/senna-vs-sonja)
- **Sinha** (https://plainspell.com/en/vs/senna-vs-sinha)
- **serra** (https://plainspell.com/en/vs/senna-vs-serra)
- **sepia** (https://plainspell.com/en/vs/senna-vs-sepia)
- **Shona** (https://plainspell.com/en/vs/senna-vs-shona)
- **señor** (https://plainspell.com/en/vs/senna-vs-senor)

## Common misspellings (4)
`esnna`, `senan`, `snena`, `ssenna`

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