# consistency

> English word · Noun · IPA /kənˈsɪstənsi/ · frequency rank #7,209

## Definitions
1. Local coherence.
2. Correspondence or compatibility.
3. Reliability or uniformity; the quality of being consistent.
4. The degree of viscosity of something.
5. Freedom from contradiction; the state of a system of axioms such that none of the propositions deduced from them are mutually contradictory.
6. Firmness of constitution or character; substantiality; durability; persistency.

## Etymology
By surface analysis, consistent + -cy, consistence + -y or consist + -ency.

## Easily confused with
- **consistent** (https://plainspell.com/en/vs/consistency-vs-consistent)
- **consistently** (https://plainspell.com/en/vs/consistency-vs-consistently)

## Common misspellings (18)
`cconsistency`, `cnosistency`, `conisstency`, `connsistency`, `consisetncy`, `consisstency`, `consistecny`, `consistenccy`, `consistencyy`, `consistenncy`, `consistenyc`, `consistnecy`, `consisttency`, `consitsency`, `conssistency`, `conssitency`, `cosnistency`, `ocnsistency`

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