# hypnosis

> English word · Noun · IPA /hɪpˈnoʊsɪs/ · frequency rank #20,956

## Definitions
1. A trancelike state, artificially induced, in which a person has a heightened suggestibility, and in which suppressed memories may be experienced.
2. Any of various sleep-like conditions.
3. The art or skill of hypnotism.

## Etymology
From modern scholarly Ancient Greek ὕπνωσις (húpnōsis), which formation closes the derivational gap between the ancient words ὑπνόω (hupnóō, “I put to sleep”) and ὑπνωτικός (hupnōtikós, “sleep-inducing, soporific”). Ultimately traces back to ὕπνος (húpnos, “sleep”).

## Easily confused with
- **hypnotic** (https://plainspell.com/en/vs/hypnosis-vs-hypnotic)

## Common misspellings (13)
`hhypnosis`, `hpynosis`, `hynposis`, `hypnnosis`, `hypnoiss`, `hypnosiss`, `hypnossi`, `hypnossis`, `hypnsois`, `hyponsis`, `hyppnosis`, `hyypnosis`, `yhpnosis`

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