# unionism

> English word · Noun · frequency rank #40,944

## Definitions
1. The support of advocacy of a union, especially of a trade union.
2. Support for the North (the Union) during the American Civil War.
3. Support for the continuance of the United Kingdom (especially with respect to Northern Ireland).

## Etymology
From union + -ism.

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

## Common misspellings (11)
`nuionism`, `uinonism`, `uninoism`, `unioinsm`, `unionims`, `unionismm`, `unionissm`, `unionnism`, `unionsim`, `unnionism`, `unoinism`

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