# osteoarthritis

> English word · Noun · frequency rank #39,004

## Definitions
1. A form of arthritis, affecting mainly older people, caused by chronic degeneration of the cartilage and synovial membrane of the joints, leading to pain and stiffness.

## Etymology
From osteo- + arthritis.

## Common misspellings (21)
`osetoarthritis`, `ossteoarthritis`, `osteaorthritis`, `osteoarhtritis`, `osteoarrthritis`, `osteoarthhritis`, `osteoarthirtis`, `osteoarthriits`, `osteoarthritiss`, `osteoarthritsi`, `osteoarthrittis`, `osteoarthrritis`, `osteoarthrtiis`, `osteoartrhitis`, `osteoartthritis`, `osteoatrhritis`, `osteorathritis`, `ostoearthritis`, `ostteoarthritis`, `otseoarthritis`, `soteoarthritis`

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