# sanity

> English word · Noun · IPA /ˈsæ.nə.ti/ · frequency rank #15,263

## Definitions
1. The condition of being sane.
2. Reasonable and rational behaviour.

## Etymology
From Middle English sanite, sanyte, sanytee, from Middle French sanité, from Latin sānitās, from sānus (“healthy”) + -itās (“-ity”). By surface analysis, sane + -ity.

## Easily confused with
- **Sant** (https://plainspell.com/en/vs/sanity-vs-sant)
- **Santa** (https://plainspell.com/en/vs/sanity-vs-santa)
- **santo** (https://plainspell.com/en/vs/sanity-vs-santo)
- **Santi** (https://plainspell.com/en/vs/sanity-vs-santi)
- **Sanjay** (https://plainspell.com/en/vs/sanity-vs-sanjay)
- **shanty** (https://plainspell.com/en/vs/sanity-vs-shanty)
- **sandy** (https://plainspell.com/en/vs/sandy-vs-sanity)
- **salty** (https://plainspell.com/en/vs/salty-vs-sanity)
- **saith** (https://plainspell.com/en/vs/saith-vs-sanity)
- **Saito** (https://plainspell.com/en/vs/saito-vs-sanity)
- **safety** (https://plainspell.com/en/vs/safety-vs-sanity)
- **sanitary** (https://plainspell.com/en/vs/sanitary-vs-sanity)
- **sanctity** (https://plainspell.com/en/vs/sanctity-vs-sanity)
- **salinity** (https://plainspell.com/en/vs/salinity-vs-sanity)

## Common misspellings (9)
`asnity`, `sainty`, `sanitty`, `sanityy`, `saniyt`, `sannity`, `santiy`, `snaity`, `ssanity`

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