# RSI

> English word · Noun · frequency rank #40,003

## Definitions
1. Initialism of repetitive strain injury.
2. Initialism of relative strength index.
3. Initialism of rapid sequence induction.
4. Initialism of recursive self-improvement.

## Easily confused with
- **RT** (https://plainspell.com/en/vs/rsi-vs-rt)
- **RV** (https://plainspell.com/en/vs/rsi-vs-rv)
- **RW** (https://plainspell.com/en/vs/rsi-vs-rw)
- **run** (https://plainspell.com/en/vs/rsi-vs-run)
- **rub** (https://plainspell.com/en/vs/rsi-vs-rub)
- **rug** (https://plainspell.com/en/vs/rsi-vs-rug)
- **rum** (https://plainspell.com/en/vs/rsi-vs-rum)
- **rue** (https://plainspell.com/en/vs/rsi-vs-rue)
- **rye** (https://plainspell.com/en/vs/rsi-vs-rye)
- **RSS** (https://plainspell.com/en/vs/rsi-vs-rss)
- **rut** (https://plainspell.com/en/vs/rsi-vs-rut)
- **Rus** (https://plainspell.com/en/vs/rsi-vs-rus)
- **RTD** (https://plainspell.com/en/vs/rsi-vs-rtd)
- **RSL** (https://plainspell.com/en/vs/rsi-vs-rsl)
- **RTC** (https://plainspell.com/en/vs/rsi-vs-rtc)
- **RTA** (https://plainspell.com/en/vs/rsi-vs-rta)
- **Rua** (https://plainspell.com/en/vs/rsi-vs-rua)
- **rush** (https://plainspell.com/en/vs/rsi-vs-rush)
- **ruin** (https://plainspell.com/en/vs/rsi-vs-ruin)
- **rust** (https://plainspell.com/en/vs/rsi-vs-rust)

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