# similarity

> English word · Noun · IPA /ˌsɪm.ɪˈlæɹ.ɪ.ti/ · frequency rank #13,425

## Definitions
1. Closeness of appearance to something else.
2. The relation of sharing properties.
3. A transformation (of a Euclidean space) that preserves angles and the ratios of distances
4. The property of two matrices being similar.

## Etymology
From French similarité. Morphologically similar + -ity

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

## Common misspellings (15)
`ismilarity`, `siimlarity`, `simialrity`, `similairty`, `similaritty`, `similarityy`, `similariyt`, `similarrity`, `similartiy`, `simillarity`, `similraity`, `simliarity`, `simmilarity`, `smiilarity`, `ssimilarity`

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