# oneness

> English word · Noun · frequency rank #35,440

## Definitions
1. The state of being one or undivided; unity.
2. The product of being one or undivided.

## Etymology
From Middle English oonnesse, onnesse, from Old English ānnes (“oneness, unity, agreement, covenant, solitude”), from Proto-West Germanic *ainnassī (“oneness”), equivalent to one + -ness. Cognate with Old High German einnissī, einnissa (“unity, oneness”).

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

## Common misspellings (8)
`noeness`, `oenness`, `oneenss`, `onenes`, `onenness`, `onenses`, `onneess`, `onneness`

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